Home / 677,729.76-1,016,096.42-322,992.90

Finding the Fourth Proportional to 677,729.76, 1,016,096.42 and 322,992.90

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Solution

The fourth proportional to 677,729.76, 1,016,096.42 and 322,992.90 is: 484,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,729.76 : 1,016,096.42 = 322,992.90 : x
  2. Step 2: Convert to fraction form
    677,729.76/1,016,096.42 = 322,992.90/x
  3. Step 3: Cross multiply
    677,729.76x = 1,016,096.42 × 322,992.90
  4. Step 4: Simplify right side
    677,729.76x = 328,191,929,375.42
  5. Step 5: Solve for x
    x = 328,191,929,375.42/677,729.76
  6. Step 6: Final answer
    x = 484,251.91

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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.