Home / 798,109.38-1,196,124.44-324,240.75

Finding the Fourth Proportional to 798,109.38, 1,196,124.44 and 324,240.75

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Solution

The fourth proportional to 798,109.38, 1,196,124.44 and 324,240.75 is: 485,938.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,109.38 : 1,196,124.44 = 324,240.75 : x
  2. Step 2: Convert to fraction form
    798,109.38/1,196,124.44 = 324,240.75/x
  3. Step 3: Cross multiply
    798,109.38x = 1,196,124.44 × 324,240.75
  4. Step 4: Simplify right side
    798,109.38x = 387,832,283,897.73
  5. Step 5: Solve for x
    x = 387,832,283,897.73/798,109.38
  6. Step 6: Final answer
    x = 485,938.76

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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.