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Finding the Fourth Proportional to 479,469.06, 718,082.91 and 378,954.54

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Solution

The fourth proportional to 479,469.06, 718,082.91 and 378,954.54 is: 567,546.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,469.06 : 718,082.91 = 378,954.54 : x
  2. Step 2: Convert to fraction form
    479,469.06/718,082.91 = 378,954.54/x
  3. Step 3: Cross multiply
    479,469.06x = 718,082.91 × 378,954.54
  4. Step 4: Simplify right side
    479,469.06x = 272,120,778,840.91
  5. Step 5: Solve for x
    x = 272,120,778,840.91/479,469.06
  6. Step 6: Final answer
    x = 567,546.07

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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.