Home / 729,370.60-1,093,727.85-279,942.10

Finding the Fourth Proportional to 729,370.60, 1,093,727.85 and 279,942.10

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Solution

The fourth proportional to 729,370.60, 1,093,727.85 and 279,942.10 is: 419,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,370.60 : 1,093,727.85 = 279,942.10 : x
  2. Step 2: Convert to fraction form
    729,370.60/1,093,727.85 = 279,942.10/x
  3. Step 3: Cross multiply
    729,370.60x = 1,093,727.85 × 279,942.10
  4. Step 4: Simplify right side
    729,370.60x = 306,180,471,157.49
  5. Step 5: Solve for x
    x = 306,180,471,157.49/729,370.60
  6. Step 6: Final answer
    x = 419,787.24

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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.