Home / 603,787.39-833,231.78-331,861.60

Finding the Fourth Proportional to 603,787.39, 833,231.78 and 331,861.60

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Solution

The fourth proportional to 603,787.39, 833,231.78 and 331,861.60 is: 457,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,787.39 : 833,231.78 = 331,861.60 : x
  2. Step 2: Convert to fraction form
    603,787.39/833,231.78 = 331,861.60/x
  3. Step 3: Cross multiply
    603,787.39x = 833,231.78 × 331,861.60
  4. Step 4: Simplify right side
    603,787.39x = 276,517,632,308.36
  5. Step 5: Solve for x
    x = 276,517,632,308.36/603,787.39
  6. Step 6: Final answer
    x = 457,971.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.