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Finding the Fourth Proportional to 654,682.80, 981,829.80 and 255,093.60

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Solution

The fourth proportional to 654,682.80, 981,829.80 and 255,093.60 is: 382,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,682.80 : 981,829.80 = 255,093.60 : x
  2. Step 2: Convert to fraction form
    654,682.80/981,829.80 = 255,093.60/x
  3. Step 3: Cross multiply
    654,682.80x = 981,829.80 × 255,093.60
  4. Step 4: Simplify right side
    654,682.80x = 250,458,498,269.28
  5. Step 5: Solve for x
    x = 250,458,498,269.28/654,682.80
  6. Step 6: Final answer
    x = 382,564.65

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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.