Finding the Fourth Proportional to 636,379.92, 878,180.68 and 349,882.96
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Solution
The fourth proportional to 636,379.92, 878,180.68 and 349,882.96 is: 482,825.50
Step by Step Solution
- Step 1: Write the proportion equation
636,379.92 : 878,180.68 = 349,882.96 : x - Step 2: Convert to fraction form
636,379.92/878,180.68 = 349,882.96/x - Step 3: Cross multiply
636,379.92x = 878,180.68 × 349,882.96 - Step 4: Simplify right side
636,379.92x = 307,260,455,733.21 - Step 5: Solve for x
x = 307,260,455,733.21/636,379.92 - Step 6: Final answer
x = 482,825.50
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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.