Home / 677,505.36-1,016,296.92-204,141.36

Finding the Fourth Proportional to 677,505.36, 1,016,296.92 and 204,141.36

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Solution

The fourth proportional to 677,505.36, 1,016,296.92 and 204,141.36 is: 306,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,505.36 : 1,016,296.92 = 204,141.36 : x
  2. Step 2: Convert to fraction form
    677,505.36/1,016,296.92 = 204,141.36/x
  3. Step 3: Cross multiply
    677,505.36x = 1,016,296.92 × 204,141.36
  4. Step 4: Simplify right side
    677,505.36x = 207,468,235,412.61
  5. Step 5: Solve for x
    x = 207,468,235,412.61/677,505.36
  6. Step 6: Final answer
    x = 306,223.76

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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.