Home / 709,244.70-1,063,867.05-485,295.90

Finding the Fourth Proportional to 709,244.70, 1,063,867.05 and 485,295.90

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Solution

The fourth proportional to 709,244.70, 1,063,867.05 and 485,295.90 is: 727,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,244.70 : 1,063,867.05 = 485,295.90 : x
  2. Step 2: Convert to fraction form
    709,244.70/1,063,867.05 = 485,295.90/x
  3. Step 3: Cross multiply
    709,244.70x = 1,063,867.05 × 485,295.90
  4. Step 4: Simplify right side
    709,244.70x = 516,290,317,510.10
  5. Step 5: Solve for x
    x = 516,290,317,510.10/709,244.70
  6. Step 6: Final answer
    x = 727,943.85

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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.