Home / 752,760.30-1,129,031.10-220,225.80

Finding the Fourth Proportional to 752,760.30, 1,129,031.10 and 220,225.80

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Solution

The fourth proportional to 752,760.30, 1,129,031.10 and 220,225.80 is: 330,306.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,760.30 : 1,129,031.10 = 220,225.80 : x
  2. Step 2: Convert to fraction form
    752,760.30/1,129,031.10 = 220,225.80/x
  3. Step 3: Cross multiply
    752,760.30x = 1,129,031.10 × 220,225.80
  4. Step 4: Simplify right side
    752,760.30x = 248,641,777,222.38
  5. Step 5: Solve for x
    x = 248,641,777,222.38/752,760.30
  6. Step 6: Final answer
    x = 330,306.71

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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.