Home / 754,240.28-1,131,360-221,765.72

Finding the Fourth Proportional to 754,240.28, 1,131,360 and 221,765.72

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Solution

The fourth proportional to 754,240.28, 1,131,360 and 221,765.72 is: 332,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,240.28 : 1,131,360 = 221,765.72 : x
  2. Step 2: Convert to fraction form
    754,240.28/1,131,360 = 221,765.72/x
  3. Step 3: Cross multiply
    754,240.28x = 1,131,360 × 221,765.72
  4. Step 4: Simplify right side
    754,240.28x = 250,896,864,979.20
  5. Step 5: Solve for x
    x = 250,896,864,979.20/754,240.28
  6. Step 6: Final answer
    x = 332,648.46

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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.