Home / 754,109.18-1,040,693.91-431,923.58

Finding the Fourth Proportional to 754,109.18, 1,040,693.91 and 431,923.58

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Solution

The fourth proportional to 754,109.18, 1,040,693.91 and 431,923.58 is: 596,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,109.18 : 1,040,693.91 = 431,923.58 : x
  2. Step 2: Convert to fraction form
    754,109.18/1,040,693.91 = 431,923.58/x
  3. Step 3: Cross multiply
    754,109.18x = 1,040,693.91 × 431,923.58
  4. Step 4: Simplify right side
    754,109.18x = 449,500,239,291.40
  5. Step 5: Solve for x
    x = 449,500,239,291.40/754,109.18
  6. Step 6: Final answer
    x = 596,067.85

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1.5x scale

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.