Home / 827,616.68-1,241,400.41-228,613.78

Finding the Fourth Proportional to 827,616.68, 1,241,400.41 and 228,613.78

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Solution

The fourth proportional to 827,616.68, 1,241,400.41 and 228,613.78 is: 342,913.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,616.68 : 1,241,400.41 = 228,613.78 : x
  2. Step 2: Convert to fraction form
    827,616.68/1,241,400.41 = 228,613.78/x
  3. Step 3: Cross multiply
    827,616.68x = 1,241,400.41 × 228,613.78
  4. Step 4: Simplify right side
    827,616.68x = 283,801,240,223.65
  5. Step 5: Solve for x
    x = 283,801,240,223.65/827,616.68
  6. Step 6: Final answer
    x = 342,913.87

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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.