Home / 746,062.10-1,120,259.55-431,134.10

Finding the Fourth Proportional to 746,062.10, 1,120,259.55 and 431,134.10

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Solution

The fourth proportional to 746,062.10, 1,120,259.55 and 431,134.10 is: 647,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,062.10 : 1,120,259.55 = 431,134.10 : x
  2. Step 2: Convert to fraction form
    746,062.10/1,120,259.55 = 431,134.10/x
  3. Step 3: Cross multiply
    746,062.10x = 1,120,259.55 × 431,134.10
  4. Step 4: Simplify right side
    746,062.10x = 482,982,092,855.66
  5. Step 5: Solve for x
    x = 482,982,092,855.66/746,062.10
  6. Step 6: Final answer
    x = 647,375.19

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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.