Home / 736,589.28-1,016,132.96-449,611.20

Finding the Fourth Proportional to 736,589.28, 1,016,132.96 and 449,611.20

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Solution

The fourth proportional to 736,589.28, 1,016,132.96 and 449,611.20 is: 620,243.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,589.28 : 1,016,132.96 = 449,611.20 : x
  2. Step 2: Convert to fraction form
    736,589.28/1,016,132.96 = 449,611.20/x
  3. Step 3: Cross multiply
    736,589.28x = 1,016,132.96 × 449,611.20
  4. Step 4: Simplify right side
    736,589.28x = 456,864,759,505.15
  5. Step 5: Solve for x
    x = 456,864,759,505.15/736,589.28
  6. Step 6: Final answer
    x = 620,243.56

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Double scale
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1.5x scale

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.