Home / 807,918.17-1,211,464.22-267,979.52

Finding the Fourth Proportional to 807,918.17, 1,211,464.22 and 267,979.52

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Solution

The fourth proportional to 807,918.17, 1,211,464.22 and 267,979.52 is: 401,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,918.17 : 1,211,464.22 = 267,979.52 : x
  2. Step 2: Convert to fraction form
    807,918.17/1,211,464.22 = 267,979.52/x
  3. Step 3: Cross multiply
    807,918.17x = 1,211,464.22 × 267,979.52
  4. Step 4: Simplify right side
    807,918.17x = 324,647,601,861.54
  5. Step 5: Solve for x
    x = 324,647,601,861.54/807,918.17
  6. Step 6: Final answer
    x = 401,832.28

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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.