Home / 827,589.20-1,241,383.80-266,680.40

Finding the Fourth Proportional to 827,589.20, 1,241,383.80 and 266,680.40

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Solution

The fourth proportional to 827,589.20, 1,241,383.80 and 266,680.40 is: 400,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,589.20 : 1,241,383.80 = 266,680.40 : x
  2. Step 2: Convert to fraction form
    827,589.20/1,241,383.80 = 266,680.40/x
  3. Step 3: Cross multiply
    827,589.20x = 1,241,383.80 × 266,680.40
  4. Step 4: Simplify right side
    827,589.20x = 331,052,728,337.52
  5. Step 5: Solve for x
    x = 331,052,728,337.52/827,589.20
  6. Step 6: Final answer
    x = 400,020.60

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Similar ratio
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1.5x scale

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.