Home / 821,302.52-1,231,856.73-252,682.52

Finding the Fourth Proportional to 821,302.52, 1,231,856.73 and 252,682.52

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Solution

The fourth proportional to 821,302.52, 1,231,856.73 and 252,682.52 is: 378,993.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,302.52 : 1,231,856.73 = 252,682.52 : x
  2. Step 2: Convert to fraction form
    821,302.52/1,231,856.73 = 252,682.52/x
  3. Step 3: Cross multiply
    821,302.52x = 1,231,856.73 × 252,682.52
  4. Step 4: Simplify right side
    821,302.52x = 311,268,656,656.08
  5. Step 5: Solve for x
    x = 311,268,656,656.08/821,302.52
  6. Step 6: Final answer
    x = 378,993.92

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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.