Home / 765,148.92-1,055,873.10-425,616.12

Finding the Fourth Proportional to 765,148.92, 1,055,873.10 and 425,616.12

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Solution

The fourth proportional to 765,148.92, 1,055,873.10 and 425,616.12 is: 587,332.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,148.92 : 1,055,873.10 = 425,616.12 : x
  2. Step 2: Convert to fraction form
    765,148.92/1,055,873.10 = 425,616.12/x
  3. Step 3: Cross multiply
    765,148.92x = 1,055,873.10 × 425,616.12
  4. Step 4: Simplify right side
    765,148.92x = 449,396,612,034.37
  5. Step 5: Solve for x
    x = 449,396,612,034.37/765,148.92
  6. Step 6: Final answer
    x = 587,332.22

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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.