Home / 394,913.44-544,413.72-281,539.36

Finding the Fourth Proportional to 394,913.44, 544,413.72 and 281,539.36

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Solution

The fourth proportional to 394,913.44, 544,413.72 and 281,539.36 is: 388,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,913.44 : 544,413.72 = 281,539.36 : x
  2. Step 2: Convert to fraction form
    394,913.44/544,413.72 = 281,539.36/x
  3. Step 3: Cross multiply
    394,913.44x = 544,413.72 × 281,539.36
  4. Step 4: Simplify right side
    394,913.44x = 153,273,890,304.02
  5. Step 5: Solve for x
    x = 153,273,890,304.02/394,913.44
  6. Step 6: Final answer
    x = 388,120.22

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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.