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Finding the Fourth Proportional to 605,413.05, 835,470.03 and 333,480.12

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Solution

The fourth proportional to 605,413.05, 835,470.03 and 333,480.12 is: 460,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,413.05 : 835,470.03 = 333,480.12 : x
  2. Step 2: Convert to fraction form
    605,413.05/835,470.03 = 333,480.12/x
  3. Step 3: Cross multiply
    605,413.05x = 835,470.03 × 333,480.12
  4. Step 4: Simplify right side
    605,413.05x = 278,612,645,860.80
  5. Step 5: Solve for x
    x = 278,612,645,860.80/605,413.05
  6. Step 6: Final answer
    x = 460,202.58

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1.5x scale

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.