Home / 741,951.56-1,023,893.22-419,654.72

Finding the Fourth Proportional to 741,951.56, 1,023,893.22 and 419,654.72

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Solution

The fourth proportional to 741,951.56, 1,023,893.22 and 419,654.72 is: 579,123.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,951.56 : 1,023,893.22 = 419,654.72 : x
  2. Step 2: Convert to fraction form
    741,951.56/1,023,893.22 = 419,654.72/x
  3. Step 3: Cross multiply
    741,951.56x = 1,023,893.22 × 419,654.72
  4. Step 4: Simplify right side
    741,951.56x = 429,681,626,682.44
  5. Step 5: Solve for x
    x = 429,681,626,682.44/741,951.56
  6. Step 6: Final answer
    x = 579,123.56

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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.