Home / 819,486.38-1,229,185.62-250,867.70

Finding the Fourth Proportional to 819,486.38, 1,229,185.62 and 250,867.70

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Solution

The fourth proportional to 819,486.38, 1,229,185.62 and 250,867.70 is: 376,288.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,486.38 : 1,229,185.62 = 250,867.70 : x
  2. Step 2: Convert to fraction form
    819,486.38/1,229,185.62 = 250,867.70/x
  3. Step 3: Cross multiply
    819,486.38x = 1,229,185.62 × 250,867.70
  4. Step 4: Simplify right side
    819,486.38x = 308,362,969,362.47
  5. Step 5: Solve for x
    x = 308,362,969,362.47/819,486.38
  6. Step 6: Final answer
    x = 376,288.10

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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.