Home / 479,406.15-718,922.33-179,723.21

Finding the Fourth Proportional to 479,406.15, 718,922.33 and 179,723.21

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Solution

The fourth proportional to 479,406.15, 718,922.33 and 179,723.21 is: 269,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,406.15 : 718,922.33 = 179,723.21 : x
  2. Step 2: Convert to fraction form
    479,406.15/718,922.33 = 179,723.21/x
  3. Step 3: Cross multiply
    479,406.15x = 718,922.33 × 179,723.21
  4. Step 4: Simplify right side
    479,406.15x = 129,207,024,395.05
  5. Step 5: Solve for x
    x = 129,207,024,395.05/479,406.15
  6. Step 6: Final answer
    x = 269,514.74

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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.