Home / 647,986.37-972,413.40-268,907.48

Finding the Fourth Proportional to 647,986.37, 972,413.40 and 268,907.48

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Solution

The fourth proportional to 647,986.37, 972,413.40 and 268,907.48 is: 403,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,986.37 : 972,413.40 = 268,907.48 : x
  2. Step 2: Convert to fraction form
    647,986.37/972,413.40 = 268,907.48/x
  3. Step 3: Cross multiply
    647,986.37x = 972,413.40 × 268,907.48
  4. Step 4: Simplify right side
    647,986.37x = 261,489,236,912.23
  5. Step 5: Solve for x
    x = 261,489,236,912.23/647,986.37
  6. Step 6: Final answer
    x = 403,541.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.