Home / 724,741.20-1,086,003.36-303,787.44

Finding the Fourth Proportional to 724,741.20, 1,086,003.36 and 303,787.44

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Solution

The fourth proportional to 724,741.20, 1,086,003.36 and 303,787.44 is: 455,216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,741.20 : 1,086,003.36 = 303,787.44 : x
  2. Step 2: Convert to fraction form
    724,741.20/1,086,003.36 = 303,787.44/x
  3. Step 3: Cross multiply
    724,741.20x = 1,086,003.36 × 303,787.44
  4. Step 4: Simplify right side
    724,741.20x = 329,914,180,565.80
  5. Step 5: Solve for x
    x = 329,914,180,565.80/724,741.20
  6. Step 6: Final answer
    x = 455,216.54

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1.5x scale

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.