Home / 677,479.36-1,016,350.80-204,141.28

Finding the Fourth Proportional to 677,479.36, 1,016,350.80 and 204,141.28

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Solution

The fourth proportional to 677,479.36, 1,016,350.80 and 204,141.28 is: 306,251.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,479.36 : 1,016,350.80 = 204,141.28 : x
  2. Step 2: Convert to fraction form
    677,479.36/1,016,350.80 = 204,141.28/x
  3. Step 3: Cross multiply
    677,479.36x = 1,016,350.80 × 204,141.28
  4. Step 4: Simplify right side
    677,479.36x = 207,479,153,241.02
  5. Step 5: Solve for x
    x = 207,479,153,241.02/677,479.36
  6. Step 6: Final answer
    x = 306,251.62

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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.