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Finding the Fourth Proportional to 479,456.73, 718,998.12 and 179,774.01

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Solution

The fourth proportional to 479,456.73, 718,998.12 and 179,774.01 is: 269,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,456.73 : 718,998.12 = 179,774.01 : x
  2. Step 2: Convert to fraction form
    479,456.73/718,998.12 = 179,774.01/x
  3. Step 3: Cross multiply
    479,456.73x = 718,998.12 × 179,774.01
  4. Step 4: Simplify right side
    479,456.73x = 129,257,175,214.86
  5. Step 5: Solve for x
    x = 129,257,175,214.86/479,456.73
  6. Step 6: Final answer
    x = 269,590.91

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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.