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Finding the Fourth Proportional to 617,727.37, 852,481.56 and 345,793.65

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Solution

The fourth proportional to 617,727.37, 852,481.56 and 345,793.65 is: 477,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,727.37 : 852,481.56 = 345,793.65 : x
  2. Step 2: Convert to fraction form
    617,727.37/852,481.56 = 345,793.65/x
  3. Step 3: Cross multiply
    617,727.37x = 852,481.56 × 345,793.65
  4. Step 4: Simplify right side
    617,727.37x = 294,782,708,290.01
  5. Step 5: Solve for x
    x = 294,782,708,290.01/617,727.37
  6. Step 6: Final answer
    x = 477,205.19

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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.