Home / 639,202.25-882,093.57-348,819.56

Finding the Fourth Proportional to 639,202.25, 882,093.57 and 348,819.56

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Solution

The fourth proportional to 639,202.25, 882,093.57 and 348,819.56 is: 481,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,202.25 : 882,093.57 = 348,819.56 : x
  2. Step 2: Convert to fraction form
    639,202.25/882,093.57 = 348,819.56/x
  3. Step 3: Cross multiply
    639,202.25x = 882,093.57 × 348,819.56
  4. Step 4: Simplify right side
    639,202.25x = 307,691,488,555.54
  5. Step 5: Solve for x
    x = 307,691,488,555.54/639,202.25
  6. Step 6: Final answer
    x = 481,367.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.