Home / 799,253.48-1,198,101-319,338.20

Finding the Fourth Proportional to 799,253.48, 1,198,101 and 319,338.20

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Solution

The fourth proportional to 799,253.48, 1,198,101 and 319,338.20 is: 478,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,253.48 : 1,198,101 = 319,338.20 : x
  2. Step 2: Convert to fraction form
    799,253.48/1,198,101 = 319,338.20/x
  3. Step 3: Cross multiply
    799,253.48x = 1,198,101 × 319,338.20
  4. Step 4: Simplify right side
    799,253.48x = 382,599,416,758.20
  5. Step 5: Solve for x
    x = 382,599,416,758.20/799,253.48
  6. Step 6: Final answer
    x = 478,695.97

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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.