Home / 754,238.28-1,131,357-221,763.72

Finding the Fourth Proportional to 754,238.28, 1,131,357 and 221,763.72

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Solution

The fourth proportional to 754,238.28, 1,131,357 and 221,763.72 is: 332,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,238.28 : 1,131,357 = 221,763.72 : x
  2. Step 2: Convert to fraction form
    754,238.28/1,131,357 = 221,763.72/x
  3. Step 3: Cross multiply
    754,238.28x = 1,131,357 × 221,763.72
  4. Step 4: Simplify right side
    754,238.28x = 250,893,936,968.04
  5. Step 5: Solve for x
    x = 250,893,936,968.04/754,238.28
  6. Step 6: Final answer
    x = 332,645.46

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1.5x scale

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.