Home / 754,578.28-1,131,744.42-221,974.78

Finding the Fourth Proportional to 754,578.28, 1,131,744.42 and 221,974.78

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Solution

The fourth proportional to 754,578.28, 1,131,744.42 and 221,974.78 is: 332,925.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,578.28 : 1,131,744.42 = 221,974.78 : x
  2. Step 2: Convert to fraction form
    754,578.28/1,131,744.42 = 221,974.78/x
  3. Step 3: Cross multiply
    754,578.28x = 1,131,744.42 × 221,974.78
  4. Step 4: Simplify right side
    754,578.28x = 251,218,718,645.73
  5. Step 5: Solve for x
    x = 251,218,718,645.73/754,578.28
  6. Step 6: Final answer
    x = 332,925.99

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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.