Home / 521,824.44-781,743.60-297,339.48

Finding the Fourth Proportional to 521,824.44, 781,743.60 and 297,339.48

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Solution

The fourth proportional to 521,824.44, 781,743.60 and 297,339.48 is: 445,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,824.44 : 781,743.60 = 297,339.48 : x
  2. Step 2: Convert to fraction form
    521,824.44/781,743.60 = 297,339.48/x
  3. Step 3: Cross multiply
    521,824.44x = 781,743.60 × 297,339.48
  4. Step 4: Simplify right side
    521,824.44x = 232,443,235,517.33
  5. Step 5: Solve for x
    x = 232,443,235,517.33/521,824.44
  6. Step 6: Final answer
    x = 445,443.37

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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.