Home / 851,990.94-1,277,986.01-252,951.80

Finding the Fourth Proportional to 851,990.94, 1,277,986.01 and 252,951.80

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Solution

The fourth proportional to 851,990.94, 1,277,986.01 and 252,951.80 is: 379,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,990.94 : 1,277,986.01 = 252,951.80 : x
  2. Step 2: Convert to fraction form
    851,990.94/1,277,986.01 = 252,951.80/x
  3. Step 3: Cross multiply
    851,990.94x = 1,277,986.01 × 252,951.80
  4. Step 4: Simplify right side
    851,990.94x = 323,268,853,949.63
  5. Step 5: Solve for x
    x = 323,268,853,949.63/851,990.94
  6. Step 6: Final answer
    x = 379,427.57

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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.