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Finding the Fourth Proportional to 981,757.06, 1,470,711.03 and 508,752.70

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Solution

The fourth proportional to 981,757.06, 1,470,711.03 and 508,752.70 is: 762,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,757.06 : 1,470,711.03 = 508,752.70 : x
  2. Step 2: Convert to fraction form
    981,757.06/1,470,711.03 = 508,752.70/x
  3. Step 3: Cross multiply
    981,757.06x = 1,470,711.03 × 508,752.70
  4. Step 4: Simplify right side
    981,757.06x = 748,228,207,432.28
  5. Step 5: Solve for x
    x = 748,228,207,432.28/981,757.06
  6. Step 6: Final answer
    x = 762,131.73

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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.