Home / 789,910.55-1,183,791.92-334,122.74

Finding the Fourth Proportional to 789,910.55, 1,183,791.92 and 334,122.74

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Solution

The fourth proportional to 789,910.55, 1,183,791.92 and 334,122.74 is: 500,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,910.55 : 1,183,791.92 = 334,122.74 : x
  2. Step 2: Convert to fraction form
    789,910.55/1,183,791.92 = 334,122.74/x
  3. Step 3: Cross multiply
    789,910.55x = 1,183,791.92 × 334,122.74
  4. Step 4: Simplify right side
    789,910.55x = 395,531,799,900.26
  5. Step 5: Solve for x
    x = 395,531,799,900.26/789,910.55
  6. Step 6: Final answer
    x = 500,729.86

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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.