Home / 712,002.75-1,067,837.99-206,428.03

Finding the Fourth Proportional to 712,002.75, 1,067,837.99 and 206,428.03

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Solution

The fourth proportional to 712,002.75, 1,067,837.99 and 206,428.03 is: 309,593.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,002.75 : 1,067,837.99 = 206,428.03 : x
  2. Step 2: Convert to fraction form
    712,002.75/1,067,837.99 = 206,428.03/x
  3. Step 3: Cross multiply
    712,002.75x = 1,067,837.99 × 206,428.03
  4. Step 4: Simplify right side
    712,002.75x = 220,431,692,634.86
  5. Step 5: Solve for x
    x = 220,431,692,634.86/712,002.75
  6. Step 6: Final answer
    x = 309,593.88

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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.