Home / 754,219.88-1,131,381.66-221,753.96

Finding the Fourth Proportional to 754,219.88, 1,131,381.66 and 221,753.96

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Solution

The fourth proportional to 754,219.88, 1,131,381.66 and 221,753.96 is: 332,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,219.88 : 1,131,381.66 = 221,753.96 : x
  2. Step 2: Convert to fraction form
    754,219.88/1,131,381.66 = 221,753.96/x
  3. Step 3: Cross multiply
    754,219.88x = 1,131,381.66 × 221,753.96
  4. Step 4: Simplify right side
    754,219.88x = 250,888,363,376.37
  5. Step 5: Solve for x
    x = 250,888,363,376.37/754,219.88
  6. Step 6: Final answer
    x = 332,646.18

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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.