Home / 828,003.20-1,242,004.81-267,037.70

Finding the Fourth Proportional to 828,003.20, 1,242,004.81 and 267,037.70

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Solution

The fourth proportional to 828,003.20, 1,242,004.81 and 267,037.70 is: 400,556.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,003.20 : 1,242,004.81 = 267,037.70 : x
  2. Step 2: Convert to fraction form
    828,003.20/1,242,004.81 = 267,037.70/x
  3. Step 3: Cross multiply
    828,003.20x = 1,242,004.81 × 267,037.70
  4. Step 4: Simplify right side
    828,003.20x = 331,662,107,851.34
  5. Step 5: Solve for x
    x = 331,662,107,851.34/828,003.20
  6. Step 6: Final answer
    x = 400,556.55

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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.