Home / 827,104.20-1,240,829.10-266,195.40

Finding the Fourth Proportional to 827,104.20, 1,240,829.10 and 266,195.40

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Solution

The fourth proportional to 827,104.20, 1,240,829.10 and 266,195.40 is: 399,348.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,104.20 : 1,240,829.10 = 266,195.40 : x
  2. Step 2: Convert to fraction form
    827,104.20/1,240,829.10 = 266,195.40/x
  3. Step 3: Cross multiply
    827,104.20x = 1,240,829.10 × 266,195.40
  4. Step 4: Simplify right side
    827,104.20x = 330,302,998,606.14
  5. Step 5: Solve for x
    x = 330,302,998,606.14/827,104.20
  6. Step 6: Final answer
    x = 399,348.71

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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.