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Finding the Fourth Proportional to 603,749.92, 833,193.64 and 331,812.87

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Solution

The fourth proportional to 603,749.92, 833,193.64 and 331,812.87 is: 457,912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,749.92 : 833,193.64 = 331,812.87 : x
  2. Step 2: Convert to fraction form
    603,749.92/833,193.64 = 331,812.87/x
  3. Step 3: Cross multiply
    603,749.92x = 833,193.64 × 331,812.87
  4. Step 4: Simplify right side
    603,749.92x = 276,464,372,954.15
  5. Step 5: Solve for x
    x = 276,464,372,954.15/603,749.92
  6. Step 6: Final answer
    x = 457,912.07

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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.