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Finding the Fourth Proportional to 551,013.40, 826,520.10 and 547,514.20

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Solution

The fourth proportional to 551,013.40, 826,520.10 and 547,514.20 is: 821,271.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,013.40 : 826,520.10 = 547,514.20 : x
  2. Step 2: Convert to fraction form
    551,013.40/826,520.10 = 547,514.20/x
  3. Step 3: Cross multiply
    551,013.40x = 826,520.10 × 547,514.20
  4. Step 4: Simplify right side
    551,013.40x = 452,531,491,335.42
  5. Step 5: Solve for x
    x = 452,531,491,335.42/551,013.40
  6. Step 6: Final answer
    x = 821,271.30

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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.