Home / 754,010.64-1,131,174.42-221,486.88

Finding the Fourth Proportional to 754,010.64, 1,131,174.42 and 221,486.88

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Solution

The fourth proportional to 754,010.64, 1,131,174.42 and 221,486.88 is: 332,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,010.64 : 1,131,174.42 = 221,486.88 : x
  2. Step 2: Convert to fraction form
    754,010.64/1,131,174.42 = 221,486.88/x
  3. Step 3: Cross multiply
    754,010.64x = 1,131,174.42 × 221,486.88
  4. Step 4: Simplify right side
    754,010.64x = 250,540,293,021.61
  5. Step 5: Solve for x
    x = 250,540,293,021.61/754,010.64
  6. Step 6: Final answer
    x = 332,276.87

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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.