Finding the Fourth Proportional to 636,063.30, 877,757.17 and 349,577.24
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Solution
The fourth proportional to 636,063.30, 877,757.17 and 349,577.24 is: 482,410.99
Step by Step Solution
- Step 1: Write the proportion equation
636,063.30 : 877,757.17 = 349,577.24 : x - Step 2: Convert to fraction form
636,063.30/877,757.17 = 349,577.24/x - Step 3: Cross multiply
636,063.30x = 877,757.17 × 349,577.24 - Step 4: Simplify right side
636,063.30x = 306,843,924,763.13 - Step 5: Solve for x
x = 306,843,924,763.13/636,063.30 - Step 6: Final answer
x = 482,410.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.