Home / 551,114.61-826,296.07-280,577.85

Finding the Fourth Proportional to 551,114.61, 826,296.07 and 280,577.85

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Solution

The fourth proportional to 551,114.61, 826,296.07 and 280,577.85 is: 420,675.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,114.61 : 826,296.07 = 280,577.85 : x
  2. Step 2: Convert to fraction form
    551,114.61/826,296.07 = 280,577.85/x
  3. Step 3: Cross multiply
    551,114.61x = 826,296.07 × 280,577.85
  4. Step 4: Simplify right side
    551,114.61x = 231,840,374,784.05
  5. Step 5: Solve for x
    x = 231,840,374,784.05/551,114.61
  6. Step 6: Final answer
    x = 420,675.43

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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.