Home / 481,280.57-721,677.85-281,660.93

Finding the Fourth Proportional to 481,280.57, 721,677.85 and 281,660.93

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Solution

The fourth proportional to 481,280.57, 721,677.85 and 281,660.93 is: 422,349.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,280.57 : 721,677.85 = 281,660.93 : x
  2. Step 2: Convert to fraction form
    481,280.57/721,677.85 = 281,660.93/x
  3. Step 3: Cross multiply
    481,280.57x = 721,677.85 × 281,660.93
  4. Step 4: Simplify right side
    481,280.57x = 203,268,450,078.86
  5. Step 5: Solve for x
    x = 203,268,450,078.86/481,280.57
  6. Step 6: Final answer
    x = 422,349.18

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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.