Finding the Fourth Proportional to 713,934.71, 985,224.16 and 387,246.88
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Solution
The fourth proportional to 713,934.71, 985,224.16 and 387,246.88 is: 534,397.58
Step by Step Solution
- Step 1: Write the proportion equation
713,934.71 : 985,224.16 = 387,246.88 : x - Step 2: Convert to fraction form
713,934.71/985,224.16 = 387,246.88/x - Step 3: Cross multiply
713,934.71x = 985,224.16 × 387,246.88 - Step 4: Simplify right side
713,934.71x = 381,524,983,776.21 - Step 5: Solve for x
x = 381,524,983,776.21/713,934.71 - Step 6: Final answer
x = 534,397.58
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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.