Home / 765,976.50-1,149,489.72-267,340.50

Finding the Fourth Proportional to 765,976.50, 1,149,489.72 and 267,340.50

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Solution

The fourth proportional to 765,976.50, 1,149,489.72 and 267,340.50 is: 401,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,976.50 : 1,149,489.72 = 267,340.50 : x
  2. Step 2: Convert to fraction form
    765,976.50/1,149,489.72 = 267,340.50/x
  3. Step 3: Cross multiply
    765,976.50x = 1,149,489.72 × 267,340.50
  4. Step 4: Simplify right side
    765,976.50x = 307,305,156,489.66
  5. Step 5: Solve for x
    x = 307,305,156,489.66/765,976.50
  6. Step 6: Final answer
    x = 401,193.97

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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.