Home / 754,789.26-1,132,146.90-281,437.59

Finding the Fourth Proportional to 754,789.26, 1,132,146.90 and 281,437.59

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Solution

The fourth proportional to 754,789.26, 1,132,146.90 and 281,437.59 is: 422,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,789.26 : 1,132,146.90 = 281,437.59 : x
  2. Step 2: Convert to fraction form
    754,789.26/1,132,146.90 = 281,437.59/x
  3. Step 3: Cross multiply
    754,789.26x = 1,132,146.90 × 281,437.59
  4. Step 4: Simplify right side
    754,789.26x = 318,628,695,061.97
  5. Step 5: Solve for x
    x = 318,628,695,061.97/754,789.26
  6. Step 6: Final answer
    x = 422,142.59

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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.