Home / 551,086.70-826,630.05-545,837.90

Finding the Fourth Proportional to 551,086.70, 826,630.05 and 545,837.90

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Solution

The fourth proportional to 551,086.70, 826,630.05 and 545,837.90 is: 818,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,086.70 : 826,630.05 = 545,837.90 : x
  2. Step 2: Convert to fraction form
    551,086.70/826,630.05 = 545,837.90/x
  3. Step 3: Cross multiply
    551,086.70x = 826,630.05 × 545,837.90
  4. Step 4: Simplify right side
    551,086.70x = 451,206,010,568.90
  5. Step 5: Solve for x
    x = 451,206,010,568.90/551,086.70
  6. Step 6: Final answer
    x = 818,756.85

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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.