Home / 741,995.21-1,113,035.87-209,471.64

Finding the Fourth Proportional to 741,995.21, 1,113,035.87 and 209,471.64

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Solution

The fourth proportional to 741,995.21, 1,113,035.87 and 209,471.64 is: 314,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,995.21 : 1,113,035.87 = 209,471.64 : x
  2. Step 2: Convert to fraction form
    741,995.21/1,113,035.87 = 209,471.64/x
  3. Step 3: Cross multiply
    741,995.21x = 1,113,035.87 × 209,471.64
  4. Step 4: Simplify right side
    741,995.21x = 233,149,449,067.73
  5. Step 5: Solve for x
    x = 233,149,449,067.73/741,995.21
  6. Step 6: Final answer
    x = 314,219.61

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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.