Home / 818,824.92-1,228,424.31-250,286.91

Finding the Fourth Proportional to 818,824.92, 1,228,424.31 and 250,286.91

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Solution

The fourth proportional to 818,824.92, 1,228,424.31 and 250,286.91 is: 375,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,824.92 : 1,228,424.31 = 250,286.91 : x
  2. Step 2: Convert to fraction form
    818,824.92/1,228,424.31 = 250,286.91/x
  3. Step 3: Cross multiply
    818,824.92x = 1,228,424.31 × 250,286.91
  4. Step 4: Simplify right side
    818,824.92x = 307,458,524,718.78
  5. Step 5: Solve for x
    x = 307,458,524,718.78/818,824.92
  6. Step 6: Final answer
    x = 375,487.50

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Half scale
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Double scale
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Similar ratio
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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.