Home / 704,529.33-1,055,433.92-420,446.90

Finding the Fourth Proportional to 704,529.33, 1,055,433.92 and 420,446.90

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Solution

The fourth proportional to 704,529.33, 1,055,433.92 and 420,446.90 is: 629,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,529.33 : 1,055,433.92 = 420,446.90 : x
  2. Step 2: Convert to fraction form
    704,529.33/1,055,433.92 = 420,446.90/x
  3. Step 3: Cross multiply
    704,529.33x = 1,055,433.92 × 420,446.90
  4. Step 4: Simplify right side
    704,529.33x = 443,753,912,439.44
  5. Step 5: Solve for x
    x = 443,753,912,439.44/704,529.33
  6. Step 6: Final answer
    x = 629,858.68

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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.