Home / 479,404.17-718,919.35-179,721.38

Finding the Fourth Proportional to 479,404.17, 718,919.35 and 179,721.38

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Solution

The fourth proportional to 479,404.17, 718,919.35 and 179,721.38 is: 269,512.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,404.17 : 718,919.35 = 179,721.38 : x
  2. Step 2: Convert to fraction form
    479,404.17/718,919.35 = 179,721.38/x
  3. Step 3: Cross multiply
    479,404.17x = 718,919.35 × 179,721.38
  4. Step 4: Simplify right side
    479,404.17x = 129,205,179,038.70
  5. Step 5: Solve for x
    x = 129,205,179,038.70/479,404.17
  6. Step 6: Final answer
    x = 269,512.00

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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.