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Finding the Fourth Proportional to 479,089, 718,755 and 179,570.44

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Solution

The fourth proportional to 479,089, 718,755 and 179,570.44 is: 269,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,089 : 718,755 = 179,570.44 : x
  2. Step 2: Convert to fraction form
    479,089/718,755 = 179,570.44/x
  3. Step 3: Cross multiply
    479,089x = 718,755 × 179,570.44
  4. Step 4: Simplify right side
    479,089x = 129,067,151,602.20
  5. Step 5: Solve for x
    x = 129,067,151,602.20/479,089
  6. Step 6: Final answer
    x = 269,401.20

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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.