Home / 639,204.25-882,096.33-348,821.56

Finding the Fourth Proportional to 639,204.25, 882,096.33 and 348,821.56

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Solution

The fourth proportional to 639,204.25, 882,096.33 and 348,821.56 is: 481,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,204.25 : 882,096.33 = 348,821.56 : x
  2. Step 2: Convert to fraction form
    639,204.25/882,096.33 = 348,821.56/x
  3. Step 3: Cross multiply
    639,204.25x = 882,096.33 × 348,821.56
  4. Step 4: Simplify right side
    639,204.25x = 307,694,217,900.88
  5. Step 5: Solve for x
    x = 307,694,217,900.88/639,204.25
  6. Step 6: Final answer
    x = 481,370.73

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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.