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Finding the Fourth Proportional to 614,650.28, 848,227.92 and 339,039.92

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Solution

The fourth proportional to 614,650.28, 848,227.92 and 339,039.92 is: 467,880.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,650.28 : 848,227.92 = 339,039.92 : x
  2. Step 2: Convert to fraction form
    614,650.28/848,227.92 = 339,039.92/x
  3. Step 3: Cross multiply
    614,650.28x = 848,227.92 × 339,039.92
  4. Step 4: Simplify right side
    614,650.28x = 287,583,126,138.57
  5. Step 5: Solve for x
    x = 287,583,126,138.57/614,650.28
  6. Step 6: Final answer
    x = 467,880.90

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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.