Home / 709,002.80-1,063,504.20-681,446.60

Finding the Fourth Proportional to 709,002.80, 1,063,504.20 and 681,446.60

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Solution

The fourth proportional to 709,002.80, 1,063,504.20 and 681,446.60 is: 1,022,169.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,002.80 : 1,063,504.20 = 681,446.60 : x
  2. Step 2: Convert to fraction form
    709,002.80/1,063,504.20 = 681,446.60/x
  3. Step 3: Cross multiply
    709,002.80x = 1,063,504.20 × 681,446.60
  4. Step 4: Simplify right side
    709,002.80x = 724,721,321,175.72
  5. Step 5: Solve for x
    x = 724,721,321,175.72/709,002.80
  6. Step 6: Final answer
    x = 1,022,169.90

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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.