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Finding the Fourth Proportional to 551,034.30, 826,551.45 and 547,535.10

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Solution

The fourth proportional to 551,034.30, 826,551.45 and 547,535.10 is: 821,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,034.30 : 826,551.45 = 547,535.10 : x
  2. Step 2: Convert to fraction form
    551,034.30/826,551.45 = 547,535.10/x
  3. Step 3: Cross multiply
    551,034.30x = 826,551.45 × 547,535.10
  4. Step 4: Simplify right side
    551,034.30x = 452,565,930,830.90
  5. Step 5: Solve for x
    x = 452,565,930,830.90/551,034.30
  6. Step 6: Final answer
    x = 821,302.65

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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.