Home / 678,565.97-1,016,298.24-323,829.10

Finding the Fourth Proportional to 678,565.97, 1,016,298.24 and 323,829.10

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Solution

The fourth proportional to 678,565.97, 1,016,298.24 and 323,829.10 is: 485,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,565.97 : 1,016,298.24 = 323,829.10 : x
  2. Step 2: Convert to fraction form
    678,565.97/1,016,298.24 = 323,829.10/x
  3. Step 3: Cross multiply
    678,565.97x = 1,016,298.24 × 323,829.10
  4. Step 4: Simplify right side
    678,565.97x = 329,106,944,390.78
  5. Step 5: Solve for x
    x = 329,106,944,390.78/678,565.97
  6. Step 6: Final answer
    x = 485,003.61

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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.