Home / 724,810.60-1,086,179.10-533,780.20

Finding the Fourth Proportional to 724,810.60, 1,086,179.10 and 533,780.20

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Solution

The fourth proportional to 724,810.60, 1,086,179.10 and 533,780.20 is: 799,906.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,810.60 : 1,086,179.10 = 533,780.20 : x
  2. Step 2: Convert to fraction form
    724,810.60/1,086,179.10 = 533,780.20/x
  3. Step 3: Cross multiply
    724,810.60x = 1,086,179.10 × 533,780.20
  4. Step 4: Simplify right side
    724,810.60x = 579,780,897,233.82
  5. Step 5: Solve for x
    x = 579,780,897,233.82/724,810.60
  6. Step 6: Final answer
    x = 799,906.76

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1.5x scale

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.