Home / 789,211.91-1,183,828.79-256,735.73

Finding the Fourth Proportional to 789,211.91, 1,183,828.79 and 256,735.73

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Solution

The fourth proportional to 789,211.91, 1,183,828.79 and 256,735.73 is: 385,107.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,211.91 : 1,183,828.79 = 256,735.73 : x
  2. Step 2: Convert to fraction form
    789,211.91/1,183,828.79 = 256,735.73/x
  3. Step 3: Cross multiply
    789,211.91x = 1,183,828.79 × 256,735.73
  4. Step 4: Simplify right side
    789,211.91x = 303,931,143,318.36
  5. Step 5: Solve for x
    x = 303,931,143,318.36/789,211.91
  6. Step 6: Final answer
    x = 385,107.14

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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.