Home / 725,374.55-1,087,776.87-245,470.19

Finding the Fourth Proportional to 725,374.55, 1,087,776.87 and 245,470.19

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Solution

The fourth proportional to 725,374.55, 1,087,776.87 and 245,470.19 is: 368,108.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,374.55 : 1,087,776.87 = 245,470.19 : x
  2. Step 2: Convert to fraction form
    725,374.55/1,087,776.87 = 245,470.19/x
  3. Step 3: Cross multiply
    725,374.55x = 1,087,776.87 × 245,470.19
  4. Step 4: Simplify right side
    725,374.55x = 267,016,789,517.62
  5. Step 5: Solve for x
    x = 267,016,789,517.62/725,374.55
  6. Step 6: Final answer
    x = 368,108.85

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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.