Home / 754,250.32-1,131,374.96-221,775.76

Finding the Fourth Proportional to 754,250.32, 1,131,374.96 and 221,775.76

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Solution

The fourth proportional to 754,250.32, 1,131,374.96 and 221,775.76 is: 332,663.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,250.32 : 1,131,374.96 = 221,775.76 : x
  2. Step 2: Convert to fraction form
    754,250.32/1,131,374.96 = 221,775.76/x
  3. Step 3: Cross multiply
    754,250.32x = 1,131,374.96 × 221,775.76
  4. Step 4: Simplify right side
    754,250.32x = 250,911,541,598.97
  5. Step 5: Solve for x
    x = 250,911,541,598.97/754,250.32
  6. Step 6: Final answer
    x = 332,663.49

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Double scale
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Similar ratio
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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.