Home / 481,289.58-721,691.34-281,669.94

Finding the Fourth Proportional to 481,289.58, 721,691.34 and 281,669.94

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Solution

The fourth proportional to 481,289.58, 721,691.34 and 281,669.94 is: 422,362.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,289.58 : 721,691.34 = 281,669.94 : x
  2. Step 2: Convert to fraction form
    481,289.58/721,691.34 = 281,669.94/x
  3. Step 3: Cross multiply
    481,289.58x = 721,691.34 × 281,669.94
  4. Step 4: Simplify right side
    481,289.58x = 203,278,756,436.32
  5. Step 5: Solve for x
    x = 203,278,756,436.32/481,289.58
  6. Step 6: Final answer
    x = 422,362.68

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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.