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Finding the Fourth Proportional to 605,407.69, 835,431.73 and 333,469.73

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Solution

The fourth proportional to 605,407.69, 835,431.73 and 333,469.73 is: 460,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,407.69 : 835,431.73 = 333,469.73 : x
  2. Step 2: Convert to fraction form
    605,407.69/835,431.73 = 333,469.73/x
  3. Step 3: Cross multiply
    605,407.69x = 835,431.73 × 333,469.73
  4. Step 4: Simplify right side
    605,407.69x = 278,591,193,436.53
  5. Step 5: Solve for x
    x = 278,591,193,436.53/605,407.69
  6. Step 6: Final answer
    x = 460,171.22

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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.