Home / 827,986.04-1,241,979.05-267,020.54

Finding the Fourth Proportional to 827,986.04, 1,241,979.05 and 267,020.54

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Solution

The fourth proportional to 827,986.04, 1,241,979.05 and 267,020.54 is: 400,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,986.04 : 1,241,979.05 = 267,020.54 : x
  2. Step 2: Convert to fraction form
    827,986.04/1,241,979.05 = 267,020.54/x
  3. Step 3: Cross multiply
    827,986.04x = 1,241,979.05 × 267,020.54
  4. Step 4: Simplify right side
    827,986.04x = 331,633,909,054.69
  5. Step 5: Solve for x
    x = 331,633,909,054.69/827,986.04
  6. Step 6: Final answer
    x = 400,530.80

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Double scale
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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.