Home / 741,936.20-1,112,936.70-243,300.20

Finding the Fourth Proportional to 741,936.20, 1,112,936.70 and 243,300.20

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Solution

The fourth proportional to 741,936.20, 1,112,936.70 and 243,300.20 is: 364,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,936.20 : 1,112,936.70 = 243,300.20 : x
  2. Step 2: Convert to fraction form
    741,936.20/1,112,936.70 = 243,300.20/x
  3. Step 3: Cross multiply
    741,936.20x = 1,112,936.70 × 243,300.20
  4. Step 4: Simplify right side
    741,936.20x = 270,777,721,697.34
  5. Step 5: Solve for x
    x = 270,777,721,697.34/741,936.20
  6. Step 6: Final answer
    x = 364,960.92

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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.