Home / 484,789.28-727,233.58-185,521.56

Finding the Fourth Proportional to 484,789.28, 727,233.58 and 185,521.56

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Solution

The fourth proportional to 484,789.28, 727,233.58 and 185,521.56 is: 278,301.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,789.28 : 727,233.58 = 185,521.56 : x
  2. Step 2: Convert to fraction form
    484,789.28/727,233.58 = 185,521.56/x
  3. Step 3: Cross multiply
    484,789.28x = 727,233.58 × 185,521.56
  4. Step 4: Simplify right side
    484,789.28x = 134,917,511,625.90
  5. Step 5: Solve for x
    x = 134,917,511,625.90/484,789.28
  6. Step 6: Final answer
    x = 278,301.35

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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.