Home / 741,961.20-1,112,974.20-243,325.20

Finding the Fourth Proportional to 741,961.20, 1,112,974.20 and 243,325.20

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Solution

The fourth proportional to 741,961.20, 1,112,974.20 and 243,325.20 is: 364,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,961.20 : 1,112,974.20 = 243,325.20 : x
  2. Step 2: Convert to fraction form
    741,961.20/1,112,974.20 = 243,325.20/x
  3. Step 3: Cross multiply
    741,961.20x = 1,112,974.20 × 243,325.20
  4. Step 4: Simplify right side
    741,961.20x = 270,814,669,809.84
  5. Step 5: Solve for x
    x = 270,814,669,809.84/741,961.20
  6. Step 6: Final answer
    x = 364,998.43

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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.