Home / 712,002.87-1,067,838.18-206,428.16

Finding the Fourth Proportional to 712,002.87, 1,067,838.18 and 206,428.16

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Solution

The fourth proportional to 712,002.87, 1,067,838.18 and 206,428.16 is: 309,594.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,002.87 : 1,067,838.18 = 206,428.16 : x
  2. Step 2: Convert to fraction form
    712,002.87/1,067,838.18 = 206,428.16/x
  3. Step 3: Cross multiply
    712,002.87x = 1,067,838.18 × 206,428.16
  4. Step 4: Simplify right side
    712,002.87x = 220,431,870,675.15
  5. Step 5: Solve for x
    x = 220,431,870,675.15/712,002.87
  6. Step 6: Final answer
    x = 309,594.08

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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.