Home / 724,458.20-1,086,687.30-712,016.60

Finding the Fourth Proportional to 724,458.20, 1,086,687.30 and 712,016.60

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Solution

The fourth proportional to 724,458.20, 1,086,687.30 and 712,016.60 is: 1,068,024.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,458.20 : 1,086,687.30 = 712,016.60 : x
  2. Step 2: Convert to fraction form
    724,458.20/1,086,687.30 = 712,016.60/x
  3. Step 3: Cross multiply
    724,458.20x = 1,086,687.30 × 712,016.60
  4. Step 4: Simplify right side
    724,458.20x = 773,739,396,609.18
  5. Step 5: Solve for x
    x = 773,739,396,609.18/724,458.20
  6. Step 6: Final answer
    x = 1,068,024.90

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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.