Home / 792,737.97-1,189,064.54-280,367.61

Finding the Fourth Proportional to 792,737.97, 1,189,064.54 and 280,367.61

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Solution

The fourth proportional to 792,737.97, 1,189,064.54 and 280,367.61 is: 420,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,737.97 : 1,189,064.54 = 280,367.61 : x
  2. Step 2: Convert to fraction form
    792,737.97/1,189,064.54 = 280,367.61/x
  3. Step 3: Cross multiply
    792,737.97x = 1,189,064.54 × 280,367.61
  4. Step 4: Simplify right side
    792,737.97x = 333,375,181,813.71
  5. Step 5: Solve for x
    x = 333,375,181,813.71/792,737.97
  6. Step 6: Final answer
    x = 420,536.41

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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.