Home / 792,196.20-1,188,644.22-319,804.20

Finding the Fourth Proportional to 792,196.20, 1,188,644.22 and 319,804.20

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Solution

The fourth proportional to 792,196.20, 1,188,644.22 and 319,804.20 is: 479,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,196.20 : 1,188,644.22 = 319,804.20 : x
  2. Step 2: Convert to fraction form
    792,196.20/1,188,644.22 = 319,804.20/x
  3. Step 3: Cross multiply
    792,196.20x = 1,188,644.22 × 319,804.20
  4. Step 4: Simplify right side
    792,196.20x = 380,133,413,861.72
  5. Step 5: Solve for x
    x = 380,133,413,861.72/792,196.20
  6. Step 6: Final answer
    x = 479,847.56

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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.