Home / 858,806.14-1,288,209.27-267,830.14

Finding the Fourth Proportional to 858,806.14, 1,288,209.27 and 267,830.14

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Solution

The fourth proportional to 858,806.14, 1,288,209.27 and 267,830.14 is: 401,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,806.14 : 1,288,209.27 = 267,830.14 : x
  2. Step 2: Convert to fraction form
    858,806.14/1,288,209.27 = 267,830.14/x
  3. Step 3: Cross multiply
    858,806.14x = 1,288,209.27 × 267,830.14
  4. Step 4: Simplify right side
    858,806.14x = 345,021,269,133.40
  5. Step 5: Solve for x
    x = 345,021,269,133.40/858,806.14
  6. Step 6: Final answer
    x = 401,745.23

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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.