Finding the Fourth Proportional to 453,757.20, 680,635.80 and 418,327.80
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Solution
The fourth proportional to 453,757.20, 680,635.80 and 418,327.80 is: 627,491.70
Step by Step Solution
- Step 1: Write the proportion equation
453,757.20 : 680,635.80 = 418,327.80 : x - Step 2: Convert to fraction form
453,757.20/680,635.80 = 418,327.80/x - Step 3: Cross multiply
453,757.20x = 680,635.80 × 418,327.80 - Step 4: Simplify right side
453,757.20x = 284,728,876,815.24 - Step 5: Solve for x
x = 284,728,876,815.24/453,757.20 - Step 6: Final answer
x = 627,491.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.