Home / 741,138.06-1,022,394.86-468,747.20

Finding the Fourth Proportional to 741,138.06, 1,022,394.86 and 468,747.20

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Solution

The fourth proportional to 741,138.06, 1,022,394.86 and 468,747.20 is: 646,633.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,138.06 : 1,022,394.86 = 468,747.20 : x
  2. Step 2: Convert to fraction form
    741,138.06/1,022,394.86 = 468,747.20/x
  3. Step 3: Cross multiply
    741,138.06x = 1,022,394.86 × 468,747.20
  4. Step 4: Simplify right side
    741,138.06x = 479,244,727,919.39
  5. Step 5: Solve for x
    x = 479,244,727,919.39/741,138.06
  6. Step 6: Final answer
    x = 646,633.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.