Home / 754,356.30-1,131,425.10-221,821.80

Finding the Fourth Proportional to 754,356.30, 1,131,425.10 and 221,821.80

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Solution

The fourth proportional to 754,356.30, 1,131,425.10 and 221,821.80 is: 332,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,356.30 : 1,131,425.10 = 221,821.80 : x
  2. Step 2: Convert to fraction form
    754,356.30/1,131,425.10 = 221,821.80/x
  3. Step 3: Cross multiply
    754,356.30x = 1,131,425.10 × 221,821.80
  4. Step 4: Simplify right side
    754,356.30x = 250,974,752,247.18
  5. Step 5: Solve for x
    x = 250,974,752,247.18/754,356.30
  6. Step 6: Final answer
    x = 332,700.55

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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.