Home / 460,413.29-635,468.33-309,422.81

Finding the Fourth Proportional to 460,413.29, 635,468.33 and 309,422.81

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Solution

The fourth proportional to 460,413.29, 635,468.33 and 309,422.81 is: 427,069.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,413.29 : 635,468.33 = 309,422.81 : x
  2. Step 2: Convert to fraction form
    460,413.29/635,468.33 = 309,422.81/x
  3. Step 3: Cross multiply
    460,413.29x = 635,468.33 × 309,422.81
  4. Step 4: Simplify right side
    460,413.29x = 196,628,398,696.84
  5. Step 5: Solve for x
    x = 196,628,398,696.84/460,413.29
  6. Step 6: Final answer
    x = 427,069.34

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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.