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Finding the Fourth Proportional to 693,231.29, 956,652.70 and 387,360.39

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Solution

The fourth proportional to 693,231.29, 956,652.70 and 387,360.39 is: 534,553.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,231.29 : 956,652.70 = 387,360.39 : x
  2. Step 2: Convert to fraction form
    693,231.29/956,652.70 = 387,360.39/x
  3. Step 3: Cross multiply
    693,231.29x = 956,652.70 × 387,360.39
  4. Step 4: Simplify right side
    693,231.29x = 370,569,359,329.59
  5. Step 5: Solve for x
    x = 370,569,359,329.59/693,231.29
  6. Step 6: Final answer
    x = 534,553.71

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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.