Home / 827,076.80-1,241,344.20-489,695.60

Finding the Fourth Proportional to 827,076.80, 1,241,344.20 and 489,695.60

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Solution

The fourth proportional to 827,076.80, 1,241,344.20 and 489,695.60 is: 734,975.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,076.80 : 1,241,344.20 = 489,695.60 : x
  2. Step 2: Convert to fraction form
    827,076.80/1,241,344.20 = 489,695.60/x
  3. Step 3: Cross multiply
    827,076.80x = 1,241,344.20 × 489,695.60
  4. Step 4: Simplify right side
    827,076.80x = 607,880,792,825.52
  5. Step 5: Solve for x
    x = 607,880,792,825.52/827,076.80
  6. Step 6: Final answer
    x = 734,975.03

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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.