Home / 741,639.44-1,111,799.41-268,219.55

Finding the Fourth Proportional to 741,639.44, 1,111,799.41 and 268,219.55

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Solution

The fourth proportional to 741,639.44, 1,111,799.41 and 268,219.55 is: 402,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,639.44 : 1,111,799.41 = 268,219.55 : x
  2. Step 2: Convert to fraction form
    741,639.44/1,111,799.41 = 268,219.55/x
  3. Step 3: Cross multiply
    741,639.44x = 1,111,799.41 × 268,219.55
  4. Step 4: Simplify right side
    741,639.44x = 298,206,337,440.47
  5. Step 5: Solve for x
    x = 298,206,337,440.47/741,639.44
  6. Step 6: Final answer
    x = 402,090.72

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Double scale
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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.