Home / 827,695.80-1,241,759.70-266,743.80

Finding the Fourth Proportional to 827,695.80, 1,241,759.70 and 266,743.80

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Solution

The fourth proportional to 827,695.80, 1,241,759.70 and 266,743.80 is: 400,185.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,695.80 : 1,241,759.70 = 266,743.80 : x
  2. Step 2: Convert to fraction form
    827,695.80/1,241,759.70 = 266,743.80/x
  3. Step 3: Cross multiply
    827,695.80x = 1,241,759.70 × 266,743.80
  4. Step 4: Simplify right side
    827,695.80x = 331,231,701,064.86
  5. Step 5: Solve for x
    x = 331,231,701,064.86/827,695.80
  6. Step 6: Final answer
    x = 400,185.31

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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.