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Finding the Fourth Proportional to 598,981.80, 898,472.70 and 508,780.20

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Solution

The fourth proportional to 598,981.80, 898,472.70 and 508,780.20 is: 763,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,981.80 : 898,472.70 = 508,780.20 : x
  2. Step 2: Convert to fraction form
    598,981.80/898,472.70 = 508,780.20/x
  3. Step 3: Cross multiply
    598,981.80x = 898,472.70 × 508,780.20
  4. Step 4: Simplify right side
    598,981.80x = 457,125,120,000.54
  5. Step 5: Solve for x
    x = 457,125,120,000.54/598,981.80
  6. Step 6: Final answer
    x = 763,170.30

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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.