Home / 752,899.13-1,129,266.04-220,425.38

Finding the Fourth Proportional to 752,899.13, 1,129,266.04 and 220,425.38

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Solution

The fourth proportional to 752,899.13, 1,129,266.04 and 220,425.38 is: 330,613.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,899.13 : 1,129,266.04 = 220,425.38 : x
  2. Step 2: Convert to fraction form
    752,899.13/1,129,266.04 = 220,425.38/x
  3. Step 3: Cross multiply
    752,899.13x = 1,129,266.04 × 220,425.38
  4. Step 4: Simplify right side
    752,899.13x = 248,918,895,988.10
  5. Step 5: Solve for x
    x = 248,918,895,988.10/752,899.13
  6. Step 6: Final answer
    x = 330,613.87

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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.