Home / 754,153.25-1,040,437.04-431,691.03

Finding the Fourth Proportional to 754,153.25, 1,040,437.04 and 431,691.03

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Solution

The fourth proportional to 754,153.25, 1,040,437.04 and 431,691.03 is: 595,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,153.25 : 1,040,437.04 = 431,691.03 : x
  2. Step 2: Convert to fraction form
    754,153.25/1,040,437.04 = 431,691.03/x
  3. Step 3: Cross multiply
    754,153.25x = 1,040,437.04 × 431,691.03
  4. Step 4: Simplify right side
    754,153.25x = 449,147,335,289.30
  5. Step 5: Solve for x
    x = 449,147,335,289.30/754,153.25
  6. Step 6: Final answer
    x = 595,565.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.