Home / 792,749.60-1,189,081.94-280,379.24

Finding the Fourth Proportional to 792,749.60, 1,189,081.94 and 280,379.24

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Solution

The fourth proportional to 792,749.60, 1,189,081.94 and 280,379.24 is: 420,553.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,749.60 : 1,189,081.94 = 280,379.24 : x
  2. Step 2: Convert to fraction form
    792,749.60/1,189,081.94 = 280,379.24/x
  3. Step 3: Cross multiply
    792,749.60x = 1,189,081.94 × 280,379.24
  4. Step 4: Simplify right side
    792,749.60x = 333,393,883,287.62
  5. Step 5: Solve for x
    x = 333,393,883,287.62/792,749.60
  6. Step 6: Final answer
    x = 420,553.84

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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.