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Finding the Fourth Proportional to 605,371.98, 835,413.25 and 333,439.87

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Solution

The fourth proportional to 605,371.98, 835,413.25 and 333,439.87 is: 460,146.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,371.98 : 835,413.25 = 333,439.87 : x
  2. Step 2: Convert to fraction form
    605,371.98/835,413.25 = 333,439.87/x
  3. Step 3: Cross multiply
    605,371.98x = 835,413.25 × 333,439.87
  4. Step 4: Simplify right side
    605,371.98x = 278,560,089,499.72
  5. Step 5: Solve for x
    x = 278,560,089,499.72/605,371.98
  6. Step 6: Final answer
    x = 460,146.98

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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.