Finding the Fourth Proportional to 664,997.10, 996,839.55 and 327,761.70
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Solution
The fourth proportional to 664,997.10, 996,839.55 and 327,761.70 is: 491,319.17
Step by Step Solution
- Step 1: Write the proportion equation
664,997.10 : 996,839.55 = 327,761.70 : x - Step 2: Convert to fraction form
664,997.10/996,839.55 = 327,761.70/x - Step 3: Cross multiply
664,997.10x = 996,839.55 × 327,761.70 - Step 4: Simplify right side
664,997.10x = 326,725,825,535.24 - Step 5: Solve for x
x = 326,725,825,535.24/664,997.10 - Step 6: Final answer
x = 491,319.17
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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.