Home / 892,922.20-1,339,383.30-515,008.60

Finding the Fourth Proportional to 892,922.20, 1,339,383.30 and 515,008.60

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Solution

The fourth proportional to 892,922.20, 1,339,383.30 and 515,008.60 is: 772,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,922.20 : 1,339,383.30 = 515,008.60 : x
  2. Step 2: Convert to fraction form
    892,922.20/1,339,383.30 = 515,008.60/x
  3. Step 3: Cross multiply
    892,922.20x = 1,339,383.30 × 515,008.60
  4. Step 4: Simplify right side
    892,922.20x = 689,793,918,196.38
  5. Step 5: Solve for x
    x = 689,793,918,196.38/892,922.20
  6. Step 6: Final answer
    x = 772,512.90

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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.