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Finding the Fourth Proportional to 597,928.89, 825,110.60 and 339,771.32

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Solution

The fourth proportional to 597,928.89, 825,110.60 and 339,771.32 is: 468,866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,928.89 : 825,110.60 = 339,771.32 : x
  2. Step 2: Convert to fraction form
    597,928.89/825,110.60 = 339,771.32/x
  3. Step 3: Cross multiply
    597,928.89x = 825,110.60 × 339,771.32
  4. Step 4: Simplify right side
    597,928.89x = 280,348,917,707.99
  5. Step 5: Solve for x
    x = 280,348,917,707.99/597,928.89
  6. Step 6: Final answer
    x = 468,866.65

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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.