Home / 821,273.38-1,231,943.99-281,900.15

Finding the Fourth Proportional to 821,273.38, 1,231,943.99 and 281,900.15

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Solution

The fourth proportional to 821,273.38, 1,231,943.99 and 281,900.15 is: 422,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,273.38 : 1,231,943.99 = 281,900.15 : x
  2. Step 2: Convert to fraction form
    821,273.38/1,231,943.99 = 281,900.15/x
  3. Step 3: Cross multiply
    821,273.38x = 1,231,943.99 × 281,900.15
  4. Step 4: Simplify right side
    821,273.38x = 347,285,192,623.17
  5. Step 5: Solve for x
    x = 347,285,192,623.17/821,273.38
  6. Step 6: Final answer
    x = 422,861.87

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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.