Keep in mind, direct scaling might not always produce the best results without proper video editing techniques. Topicos De Matematica - Ime Ita Olimpiadas - Volume 3 Pdf
For a 480p to 720p transition: Xprime4ucomexlover20251080pnavarasaweb - 3.79.94.248
$$ \text{Scaling Factor} = \frac{1280}{640} = 2 \text{ for width, and} \frac{720}{480} = 1.5 \text{ for height.} $$
$$ \text{Scaling Factor} = \frac{\text{New Resolution}}{\text{Old Resolution}} $$