Home / 479,169.38-718,543.55-179,439.75

Finding the Fourth Proportional to 479,169.38, 718,543.55 and 179,439.75

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Solution

The fourth proportional to 479,169.38, 718,543.55 and 179,439.75 is: 269,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,169.38 : 718,543.55 = 179,439.75 : x
  2. Step 2: Convert to fraction form
    479,169.38/718,543.55 = 179,439.75/x
  3. Step 3: Cross multiply
    479,169.38x = 718,543.55 × 179,439.75
  4. Step 4: Simplify right side
    479,169.38x = 128,935,274,078.91
  5. Step 5: Solve for x
    x = 128,935,274,078.91/479,169.38
  6. Step 6: Final answer
    x = 269,080.79

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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.