Home / 814,493.44-1,221,440.64-281,877.76

Finding the Fourth Proportional to 814,493.44, 1,221,440.64 and 281,877.76

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Solution

The fourth proportional to 814,493.44, 1,221,440.64 and 281,877.76 is: 422,712.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,493.44 : 1,221,440.64 = 281,877.76 : x
  2. Step 2: Convert to fraction form
    814,493.44/1,221,440.64 = 281,877.76/x
  3. Step 3: Cross multiply
    814,493.44x = 1,221,440.64 × 281,877.76
  4. Step 4: Simplify right side
    814,493.44x = 344,296,951,576.17
  5. Step 5: Solve for x
    x = 344,296,951,576.17/814,493.44
  6. Step 6: Final answer
    x = 422,712.98

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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.