Home / 862,151.15-1,189,721.71-474,891.10

Finding the Fourth Proportional to 862,151.15, 1,189,721.71 and 474,891.10

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Solution

The fourth proportional to 862,151.15, 1,189,721.71 and 474,891.10 is: 655,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,151.15 : 1,189,721.71 = 474,891.10 : x
  2. Step 2: Convert to fraction form
    862,151.15/1,189,721.71 = 474,891.10/x
  3. Step 3: Cross multiply
    862,151.15x = 1,189,721.71 × 474,891.10
  4. Step 4: Simplify right side
    862,151.15x = 564,988,251,555.78
  5. Step 5: Solve for x
    x = 564,988,251,555.78/862,151.15
  6. Step 6: Final answer
    x = 655,323.90

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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.