Home / 754,328.28-1,131,492.48-221,853.86

Finding the Fourth Proportional to 754,328.28, 1,131,492.48 and 221,853.86

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Solution

The fourth proportional to 754,328.28, 1,131,492.48 and 221,853.86 is: 332,780.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,328.28 : 1,131,492.48 = 221,853.86 : x
  2. Step 2: Convert to fraction form
    754,328.28/1,131,492.48 = 221,853.86/x
  3. Step 3: Cross multiply
    754,328.28x = 1,131,492.48 × 221,853.86
  4. Step 4: Simplify right side
    754,328.28x = 251,025,974,248.97
  5. Step 5: Solve for x
    x = 251,025,974,248.97/754,328.28
  6. Step 6: Final answer
    x = 332,780.81

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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.