Home / 484,667.28-727,010.62-129,680.72

Finding the Fourth Proportional to 484,667.28, 727,010.62 and 129,680.72

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Solution

The fourth proportional to 484,667.28, 727,010.62 and 129,680.72 is: 194,523.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,667.28 : 727,010.62 = 129,680.72 : x
  2. Step 2: Convert to fraction form
    484,667.28/727,010.62 = 129,680.72/x
  3. Step 3: Cross multiply
    484,667.28x = 727,010.62 × 129,680.72
  4. Step 4: Simplify right side
    484,667.28x = 94,279,260,649.25
  5. Step 5: Solve for x
    x = 94,279,260,649.25/484,667.28
  6. Step 6: Final answer
    x = 194,523.68

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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.