Home / 792,429.72-1,187,593.08-431,675.10

Finding the Fourth Proportional to 792,429.72, 1,187,593.08 and 431,675.10

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Solution

The fourth proportional to 792,429.72, 1,187,593.08 and 431,675.10 is: 646,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,429.72 : 1,187,593.08 = 431,675.10 : x
  2. Step 2: Convert to fraction form
    792,429.72/1,187,593.08 = 431,675.10/x
  3. Step 3: Cross multiply
    792,429.72x = 1,187,593.08 × 431,675.10
  4. Step 4: Simplify right side
    792,429.72x = 512,654,361,568.31
  5. Step 5: Solve for x
    x = 512,654,361,568.31/792,429.72
  6. Step 6: Final answer
    x = 646,939.85

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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.