Home / 670,906.20-1,006,067.70-221,453.40

Finding the Fourth Proportional to 670,906.20, 1,006,067.70 and 221,453.40

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Solution

The fourth proportional to 670,906.20, 1,006,067.70 and 221,453.40 is: 332,083.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,906.20 : 1,006,067.70 = 221,453.40 : x
  2. Step 2: Convert to fraction form
    670,906.20/1,006,067.70 = 221,453.40/x
  3. Step 3: Cross multiply
    670,906.20x = 1,006,067.70 × 221,453.40
  4. Step 4: Simplify right side
    670,906.20x = 222,797,112,795.18
  5. Step 5: Solve for x
    x = 222,797,112,795.18/670,906.20
  6. Step 6: Final answer
    x = 332,083.85

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Double scale
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Similar ratio
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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.