Home / 775,217.90-1,162,734.59-206,641.64

Finding the Fourth Proportional to 775,217.90, 1,162,734.59 and 206,641.64

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Solution

The fourth proportional to 775,217.90, 1,162,734.59 and 206,641.64 is: 309,937.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,217.90 : 1,162,734.59 = 206,641.64 : x
  2. Step 2: Convert to fraction form
    775,217.90/1,162,734.59 = 206,641.64/x
  3. Step 3: Cross multiply
    775,217.90x = 1,162,734.59 × 206,641.64
  4. Step 4: Simplify right side
    775,217.90x = 240,269,385,985.77
  5. Step 5: Solve for x
    x = 240,269,385,985.77/775,217.90
  6. Step 6: Final answer
    x = 309,937.87

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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.