Home / 551,115.86-826,297.94-280,579.10

Finding the Fourth Proportional to 551,115.86, 826,297.94 and 280,579.10

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Solution

The fourth proportional to 551,115.86, 826,297.94 and 280,579.10 is: 420,677.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,115.86 : 826,297.94 = 280,579.10 : x
  2. Step 2: Convert to fraction form
    551,115.86/826,297.94 = 280,579.10/x
  3. Step 3: Cross multiply
    551,115.86x = 826,297.94 × 280,579.10
  4. Step 4: Simplify right side
    551,115.86x = 231,841,928,907.01
  5. Step 5: Solve for x
    x = 231,841,928,907.01/551,115.86
  6. Step 6: Final answer
    x = 420,677.30

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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.