Home / 799,695.21-1,199,604.78-267,218.10

Finding the Fourth Proportional to 799,695.21, 1,199,604.78 and 267,218.10

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Solution

The fourth proportional to 799,695.21, 1,199,604.78 and 267,218.10 is: 400,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,695.21 : 1,199,604.78 = 267,218.10 : x
  2. Step 2: Convert to fraction form
    799,695.21/1,199,604.78 = 267,218.10/x
  3. Step 3: Cross multiply
    799,695.21x = 1,199,604.78 × 267,218.10
  4. Step 4: Simplify right side
    799,695.21x = 320,556,110,062.52
  5. Step 5: Solve for x
    x = 320,556,110,062.52/799,695.21
  6. Step 6: Final answer
    x = 400,847.86

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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.