Home / 800,160.42-1,199,990.95-267,557.12

Finding the Fourth Proportional to 800,160.42, 1,199,990.95 and 267,557.12

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Solution

The fourth proportional to 800,160.42, 1,199,990.95 and 267,557.12 is: 401,252.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,160.42 : 1,199,990.95 = 267,557.12 : x
  2. Step 2: Convert to fraction form
    800,160.42/1,199,990.95 = 267,557.12/x
  3. Step 3: Cross multiply
    800,160.42x = 1,199,990.95 × 267,557.12
  4. Step 4: Simplify right side
    800,160.42x = 321,066,128,694.14
  5. Step 5: Solve for x
    x = 321,066,128,694.14/800,160.42
  6. Step 6: Final answer
    x = 401,252.20

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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.