Home / 754,181.30-1,040,473.86-431,717.78

Finding the Fourth Proportional to 754,181.30, 1,040,473.86 and 431,717.78

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Solution

The fourth proportional to 754,181.30, 1,040,473.86 and 431,717.78 is: 595,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,181.30 : 1,040,473.86 = 431,717.78 : x
  2. Step 2: Convert to fraction form
    754,181.30/1,040,473.86 = 431,717.78/x
  3. Step 3: Cross multiply
    754,181.30x = 1,040,473.86 × 431,717.78
  4. Step 4: Simplify right side
    754,181.30x = 449,191,064,987.23
  5. Step 5: Solve for x
    x = 449,191,064,987.23/754,181.30
  6. Step 6: Final answer
    x = 595,600.91

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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.