Home / 813,286.60-1,219,929.90-222,310.60

Finding the Fourth Proportional to 813,286.60, 1,219,929.90 and 222,310.60

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Solution

The fourth proportional to 813,286.60, 1,219,929.90 and 222,310.60 is: 333,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,286.60 : 1,219,929.90 = 222,310.60 : x
  2. Step 2: Convert to fraction form
    813,286.60/1,219,929.90 = 222,310.60/x
  3. Step 3: Cross multiply
    813,286.60x = 1,219,929.90 × 222,310.60
  4. Step 4: Simplify right side
    813,286.60x = 271,203,348,026.94
  5. Step 5: Solve for x
    x = 271,203,348,026.94/813,286.60
  6. Step 6: Final answer
    x = 333,465.90

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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.