Finding the Fourth Proportional to 663,039.34, 994,551.68 and 396,874.14
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Solution
The fourth proportional to 663,039.34, 994,551.68 and 396,874.14 is: 595,306.82
Step by Step Solution
- Step 1: Write the proportion equation
663,039.34 : 994,551.68 = 396,874.14 : x - Step 2: Convert to fraction form
663,039.34/994,551.68 = 396,874.14/x - Step 3: Cross multiply
663,039.34x = 994,551.68 × 396,874.14 - Step 4: Simplify right side
663,039.34x = 394,711,842,685.56 - Step 5: Solve for x
x = 394,711,842,685.56/663,039.34 - Step 6: Final answer
x = 595,306.82
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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.