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Finding the Fourth Proportional to 581,478.54, 872,556.22 and 244,494.78

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Solution

The fourth proportional to 581,478.54, 872,556.22 and 244,494.78 is: 366,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,478.54 : 872,556.22 = 244,494.78 : x
  2. Step 2: Convert to fraction form
    581,478.54/872,556.22 = 244,494.78/x
  3. Step 3: Cross multiply
    581,478.54x = 872,556.22 × 244,494.78
  4. Step 4: Simplify right side
    581,478.54x = 213,335,441,046.53
  5. Step 5: Solve for x
    x = 213,335,441,046.53/581,478.54
  6. Step 6: Final answer
    x = 366,884.46

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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.