Home / 479,402.85-718,917.42-179,719.95

Finding the Fourth Proportional to 479,402.85, 718,917.42 and 179,719.95

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Solution

The fourth proportional to 479,402.85, 718,917.42 and 179,719.95 is: 269,509.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,402.85 : 718,917.42 = 179,719.95 : x
  2. Step 2: Convert to fraction form
    479,402.85/718,917.42 = 179,719.95/x
  3. Step 3: Cross multiply
    479,402.85x = 718,917.42 × 179,719.95
  4. Step 4: Simplify right side
    479,402.85x = 129,203,802,776.53
  5. Step 5: Solve for x
    x = 129,203,802,776.53/479,402.85
  6. Step 6: Final answer
    x = 269,509.88

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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.