Home / 987,616.62-1,481,523.62-267,969.77

Finding the Fourth Proportional to 987,616.62, 1,481,523.62 and 267,969.77

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Solution

The fourth proportional to 987,616.62, 1,481,523.62 and 267,969.77 is: 401,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,616.62 : 1,481,523.62 = 267,969.77 : x
  2. Step 2: Convert to fraction form
    987,616.62/1,481,523.62 = 267,969.77/x
  3. Step 3: Cross multiply
    987,616.62x = 1,481,523.62 × 267,969.77
  4. Step 4: Simplify right side
    987,616.62x = 397,003,540,509.21
  5. Step 5: Solve for x
    x = 397,003,540,509.21/987,616.62
  6. Step 6: Final answer
    x = 401,981.43

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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.