Finding the Fourth Proportional to 488,805.20, 733,207.80 and 453,375.80
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Solution
The fourth proportional to 488,805.20, 733,207.80 and 453,375.80 is: 680,063.70
Step by Step Solution
- Step 1: Write the proportion equation
488,805.20 : 733,207.80 = 453,375.80 : x - Step 2: Convert to fraction form
488,805.20/733,207.80 = 453,375.80/x - Step 3: Cross multiply
488,805.20x = 733,207.80 × 453,375.80 - Step 4: Simplify right side
488,805.20x = 332,418,672,891.24 - Step 5: Solve for x
x = 332,418,672,891.24/488,805.20 - Step 6: Final answer
x = 680,063.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.