Home / 792,447.68-1,188,672.24-280,493.60

Finding the Fourth Proportional to 792,447.68, 1,188,672.24 and 280,493.60

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Solution

The fourth proportional to 792,447.68, 1,188,672.24 and 280,493.60 is: 420,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,447.68 : 1,188,672.24 = 280,493.60 : x
  2. Step 2: Convert to fraction form
    792,447.68/1,188,672.24 = 280,493.60/x
  3. Step 3: Cross multiply
    792,447.68x = 1,188,672.24 × 280,493.60
  4. Step 4: Simplify right side
    792,447.68x = 333,414,955,817.66
  5. Step 5: Solve for x
    x = 333,414,955,817.66/792,447.68
  6. Step 6: Final answer
    x = 420,740.65

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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.