Home / 858,822.39-1,288,233.57-267,846.39

Finding the Fourth Proportional to 858,822.39, 1,288,233.57 and 267,846.39

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Solution

The fourth proportional to 858,822.39, 1,288,233.57 and 267,846.39 is: 401,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,822.39 : 1,288,233.57 = 267,846.39 : x
  2. Step 2: Convert to fraction form
    858,822.39/1,288,233.57 = 267,846.39/x
  3. Step 3: Cross multiply
    858,822.39x = 1,288,233.57 × 267,846.39
  4. Step 4: Simplify right side
    858,822.39x = 345,048,711,201.31
  5. Step 5: Solve for x
    x = 345,048,711,201.31/858,822.39
  6. Step 6: Final answer
    x = 401,769.58

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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.