Home / 521,481.10-731,123.30-521,481.10

Finding the Fourth Proportional to 521,481.10, 731,123.30 and 521,481.10

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Solution

The fourth proportional to 521,481.10, 731,123.30 and 521,481.10 is: 731,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,481.10 : 731,123.30 = 521,481.10 : x
  2. Step 2: Convert to fraction form
    521,481.10/731,123.30 = 521,481.10/x
  3. Step 3: Cross multiply
    521,481.10x = 731,123.30 × 521,481.10
  4. Step 4: Simplify right side
    521,481.10x = 381,266,982,719.63
  5. Step 5: Solve for x
    x = 381,266,982,719.63/521,481.10
  6. Step 6: Final answer
    x = 731,123.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.