Home / 711,684.32-1,067,581.25-206,252.21

Finding the Fourth Proportional to 711,684.32, 1,067,581.25 and 206,252.21

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Solution

The fourth proportional to 711,684.32, 1,067,581.25 and 206,252.21 is: 309,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,684.32 : 1,067,581.25 = 206,252.21 : x
  2. Step 2: Convert to fraction form
    711,684.32/1,067,581.25 = 206,252.21/x
  3. Step 3: Cross multiply
    711,684.32x = 1,067,581.25 × 206,252.21
  4. Step 4: Simplify right side
    711,684.32x = 220,190,985,797.90
  5. Step 5: Solve for x
    x = 220,190,985,797.90/711,684.32
  6. Step 6: Final answer
    x = 309,394.18

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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.