Home / 722,275.80-1,083,413.70-543,816.60

Finding the Fourth Proportional to 722,275.80, 1,083,413.70 and 543,816.60

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Solution

The fourth proportional to 722,275.80, 1,083,413.70 and 543,816.60 is: 815,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,275.80 : 1,083,413.70 = 543,816.60 : x
  2. Step 2: Convert to fraction form
    722,275.80/1,083,413.70 = 543,816.60/x
  3. Step 3: Cross multiply
    722,275.80x = 1,083,413.70 × 543,816.60
  4. Step 4: Simplify right side
    722,275.80x = 589,178,354,727.42
  5. Step 5: Solve for x
    x = 589,178,354,727.42/722,275.80
  6. Step 6: Final answer
    x = 815,724.90

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1.5x scale

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.