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Finding the Fourth Proportional to 454,956.10, 682,434.15 and 449,051.20

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Solution

The fourth proportional to 454,956.10, 682,434.15 and 449,051.20 is: 673,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,956.10 : 682,434.15 = 449,051.20 : x
  2. Step 2: Convert to fraction form
    454,956.10/682,434.15 = 449,051.20/x
  3. Step 3: Cross multiply
    454,956.10x = 682,434.15 × 449,051.20
  4. Step 4: Simplify right side
    454,956.10x = 306,447,873,978.48
  5. Step 5: Solve for x
    x = 306,447,873,978.48/454,956.10
  6. Step 6: Final answer
    x = 673,576.80

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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.