Home / 450,710.44-621,979.32-269,413.56

Finding the Fourth Proportional to 450,710.44, 621,979.32 and 269,413.56

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Solution

The fourth proportional to 450,710.44, 621,979.32 and 269,413.56 is: 371,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,710.44 : 621,979.32 = 269,413.56 : x
  2. Step 2: Convert to fraction form
    450,710.44/621,979.32 = 269,413.56/x
  3. Step 3: Cross multiply
    450,710.44x = 621,979.32 × 269,413.56
  4. Step 4: Simplify right side
    450,710.44x = 167,569,662,847.58
  5. Step 5: Solve for x
    x = 167,569,662,847.58/450,710.44
  6. Step 6: Final answer
    x = 371,790.06

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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.