Home / 741,397.68-1,112,227.70-279,765.72

Finding the Fourth Proportional to 741,397.68, 1,112,227.70 and 279,765.72

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Solution

The fourth proportional to 741,397.68, 1,112,227.70 and 279,765.72 is: 419,698.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,397.68 : 1,112,227.70 = 279,765.72 : x
  2. Step 2: Convert to fraction form
    741,397.68/1,112,227.70 = 279,765.72/x
  3. Step 3: Cross multiply
    741,397.68x = 1,112,227.70 × 279,765.72
  4. Step 4: Simplify right side
    741,397.68x = 311,163,181,895.62
  5. Step 5: Solve for x
    x = 311,163,181,895.62/741,397.68
  6. Step 6: Final answer
    x = 419,698.08

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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.