Home / 828,397.44-1,242,727.20-267,300.72

Finding the Fourth Proportional to 828,397.44, 1,242,727.20 and 267,300.72

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Solution

The fourth proportional to 828,397.44, 1,242,727.20 and 267,300.72 is: 400,993.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,397.44 : 1,242,727.20 = 267,300.72 : x
  2. Step 2: Convert to fraction form
    828,397.44/1,242,727.20 = 267,300.72/x
  3. Step 3: Cross multiply
    828,397.44x = 1,242,727.20 × 267,300.72
  4. Step 4: Simplify right side
    828,397.44x = 332,181,875,323.58
  5. Step 5: Solve for x
    x = 332,181,875,323.58/828,397.44
  6. Step 6: Final answer
    x = 400,993.36

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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.