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Finding the Fourth Proportional to 625,502.31, 937,527.66 and 287,834.07

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Solution

The fourth proportional to 625,502.31, 937,527.66 and 287,834.07 is: 431,417.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,502.31 : 937,527.66 = 287,834.07 : x
  2. Step 2: Convert to fraction form
    625,502.31/937,527.66 = 287,834.07/x
  3. Step 3: Cross multiply
    625,502.31x = 937,527.66 × 287,834.07
  4. Step 4: Simplify right side
    625,502.31x = 269,852,402,115.38
  5. Step 5: Solve for x
    x = 269,852,402,115.38/625,502.31
  6. Step 6: Final answer
    x = 431,417.12

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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.