Home / 708,626.80-1,062,940.20-661,625.20

Finding the Fourth Proportional to 708,626.80, 1,062,940.20 and 661,625.20

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Solution

The fourth proportional to 708,626.80, 1,062,940.20 and 661,625.20 is: 992,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,626.80 : 1,062,940.20 = 661,625.20 : x
  2. Step 2: Convert to fraction form
    708,626.80/1,062,940.20 = 661,625.20/x
  3. Step 3: Cross multiply
    708,626.80x = 1,062,940.20 × 661,625.20
  4. Step 4: Simplify right side
    708,626.80x = 703,268,022,413.04
  5. Step 5: Solve for x
    x = 703,268,022,413.04/708,626.80
  6. Step 6: Final answer
    x = 992,437.80

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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.