Home / 741,958.20-1,112,969.70-243,322.20

Finding the Fourth Proportional to 741,958.20, 1,112,969.70 and 243,322.20

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Solution

The fourth proportional to 741,958.20, 1,112,969.70 and 243,322.20 is: 364,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,958.20 : 1,112,969.70 = 243,322.20 : x
  2. Step 2: Convert to fraction form
    741,958.20/1,112,969.70 = 243,322.20/x
  3. Step 3: Cross multiply
    741,958.20x = 1,112,969.70 × 243,322.20
  4. Step 4: Simplify right side
    741,958.20x = 270,810,235,937.34
  5. Step 5: Solve for x
    x = 270,810,235,937.34/741,958.20
  6. Step 6: Final answer
    x = 364,993.93

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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.