Home / 749,097.20-1,123,791.60-216,635.60

Finding the Fourth Proportional to 749,097.20, 1,123,791.60 and 216,635.60

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Solution

The fourth proportional to 749,097.20, 1,123,791.60 and 216,635.60 is: 324,995.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,097.20 : 1,123,791.60 = 216,635.60 : x
  2. Step 2: Convert to fraction form
    749,097.20/1,123,791.60 = 216,635.60/x
  3. Step 3: Cross multiply
    749,097.20x = 1,123,791.60 × 216,635.60
  4. Step 4: Simplify right side
    749,097.20x = 243,453,267,540.96
  5. Step 5: Solve for x
    x = 243,453,267,540.96/749,097.20
  6. Step 6: Final answer
    x = 324,995.56

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1.5x scale

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.