Home / 727,961.45-1,091,944.85-222,520.46

Finding the Fourth Proportional to 727,961.45, 1,091,944.85 and 222,520.46

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Solution

The fourth proportional to 727,961.45, 1,091,944.85 and 222,520.46 is: 333,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,961.45 : 1,091,944.85 = 222,520.46 : x
  2. Step 2: Convert to fraction form
    727,961.45/1,091,944.85 = 222,520.46/x
  3. Step 3: Cross multiply
    727,961.45x = 1,091,944.85 × 222,520.46
  4. Step 4: Simplify right side
    727,961.45x = 242,980,068,067.08
  5. Step 5: Solve for x
    x = 242,980,068,067.08/727,961.45
  6. Step 6: Final answer
    x = 333,781.51

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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.