Home / 853,731.91-1,280,819.27-454,044.03

Finding the Fourth Proportional to 853,731.91, 1,280,819.27 and 454,044.03

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Solution

The fourth proportional to 853,731.91, 1,280,819.27 and 454,044.03 is: 681,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,731.91 : 1,280,819.27 = 454,044.03 : x
  2. Step 2: Convert to fraction form
    853,731.91/1,280,819.27 = 454,044.03/x
  3. Step 3: Cross multiply
    853,731.91x = 1,280,819.27 × 454,044.03
  4. Step 4: Simplify right side
    853,731.91x = 581,548,343,052.46
  5. Step 5: Solve for x
    x = 581,548,343,052.46/853,731.91
  6. Step 6: Final answer
    x = 681,183.80

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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.