Home / 479,417.42-718,939.20-179,734.66

Finding the Fourth Proportional to 479,417.42, 718,939.20 and 179,734.66

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Solution

The fourth proportional to 479,417.42, 718,939.20 and 179,734.66 is: 269,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,417.42 : 718,939.20 = 179,734.66 : x
  2. Step 2: Convert to fraction form
    479,417.42/718,939.20 = 179,734.66/x
  3. Step 3: Cross multiply
    479,417.42x = 718,939.20 × 179,734.66
  4. Step 4: Simplify right side
    479,417.42x = 129,218,292,672.67
  5. Step 5: Solve for x
    x = 129,218,292,672.67/479,417.42
  6. Step 6: Final answer
    x = 269,531.91

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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.