Home / 851,229.27-1,174,704.27-469,269.72

Finding the Fourth Proportional to 851,229.27, 1,174,704.27 and 469,269.72

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Solution

The fourth proportional to 851,229.27, 1,174,704.27 and 469,269.72 is: 647,596.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,229.27 : 1,174,704.27 = 469,269.72 : x
  2. Step 2: Convert to fraction form
    851,229.27/1,174,704.27 = 469,269.72/x
  3. Step 3: Cross multiply
    851,229.27x = 1,174,704.27 × 469,269.72
  4. Step 4: Simplify right side
    851,229.27x = 551,253,143,865.70
  5. Step 5: Solve for x
    x = 551,253,143,865.70/851,229.27
  6. Step 6: Final answer
    x = 647,596.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.