Home / 627,199.52-940,945.20-206,479.04

Finding the Fourth Proportional to 627,199.52, 940,945.20 and 206,479.04

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Solution

The fourth proportional to 627,199.52, 940,945.20 and 206,479.04 is: 309,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,199.52 : 940,945.20 = 206,479.04 : x
  2. Step 2: Convert to fraction form
    627,199.52/940,945.20 = 206,479.04/x
  3. Step 3: Cross multiply
    627,199.52x = 940,945.20 × 206,479.04
  4. Step 4: Simplify right side
    627,199.52x = 194,285,461,588.61
  5. Step 5: Solve for x
    x = 194,285,461,588.61/627,199.52
  6. Step 6: Final answer
    x = 309,766.60

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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.