Home / 454,979.10-682,468.65-449,074.20

Finding the Fourth Proportional to 454,979.10, 682,468.65 and 449,074.20

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Solution

The fourth proportional to 454,979.10, 682,468.65 and 449,074.20 is: 673,611.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,979.10 : 682,468.65 = 449,074.20 : x
  2. Step 2: Convert to fraction form
    454,979.10/682,468.65 = 449,074.20/x
  3. Step 3: Cross multiply
    454,979.10x = 682,468.65 × 449,074.20
  4. Step 4: Simplify right side
    454,979.10x = 306,479,063,023.83
  5. Step 5: Solve for x
    x = 306,479,063,023.83/454,979.10
  6. Step 6: Final answer
    x = 673,611.30

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Similar ratio
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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.