Home / 741,734.20-1,112,109.72-268,357.96

Finding the Fourth Proportional to 741,734.20, 1,112,109.72 and 268,357.96

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Solution

The fourth proportional to 741,734.20, 1,112,109.72 and 268,357.96 is: 402,359.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,734.20 : 1,112,109.72 = 268,357.96 : x
  2. Step 2: Convert to fraction form
    741,734.20/1,112,109.72 = 268,357.96/x
  3. Step 3: Cross multiply
    741,734.20x = 1,112,109.72 × 268,357.96
  4. Step 4: Simplify right side
    741,734.20x = 298,443,495,755.37
  5. Step 5: Solve for x
    x = 298,443,495,755.37/741,734.20
  6. Step 6: Final answer
    x = 402,359.09

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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.