Home / 747,610.80-1,121,432.09-267,869.85

Finding the Fourth Proportional to 747,610.80, 1,121,432.09 and 267,869.85

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Solution

The fourth proportional to 747,610.80, 1,121,432.09 and 267,869.85 is: 401,810.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,610.80 : 1,121,432.09 = 267,869.85 : x
  2. Step 2: Convert to fraction form
    747,610.80/1,121,432.09 = 267,869.85/x
  3. Step 3: Cross multiply
    747,610.80x = 1,121,432.09 × 267,869.85
  4. Step 4: Simplify right side
    747,610.80x = 300,397,845,733.49
  5. Step 5: Solve for x
    x = 300,397,845,733.49/747,610.80
  6. Step 6: Final answer
    x = 401,810.47

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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.