Home / 892,171-1,231,037.22-504,984.52

Finding the Fourth Proportional to 892,171, 1,231,037.22 and 504,984.52

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Solution

The fourth proportional to 892,171, 1,231,037.22 and 504,984.52 is: 696,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,171 : 1,231,037.22 = 504,984.52 : x
  2. Step 2: Convert to fraction form
    892,171/1,231,037.22 = 504,984.52/x
  3. Step 3: Cross multiply
    892,171x = 1,231,037.22 × 504,984.52
  4. Step 4: Simplify right side
    892,171x = 621,654,739,643.83
  5. Step 5: Solve for x
    x = 621,654,739,643.83/892,171
  6. Step 6: Final answer
    x = 696,788.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.