Home / 722,324.16-996,839.67-395,660.16

Finding the Fourth Proportional to 722,324.16, 996,839.67 and 395,660.16

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Solution

The fourth proportional to 722,324.16, 996,839.67 and 395,660.16 is: 546,028.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,324.16 : 996,839.67 = 395,660.16 : x
  2. Step 2: Convert to fraction form
    722,324.16/996,839.67 = 395,660.16/x
  3. Step 3: Cross multiply
    722,324.16x = 996,839.67 × 395,660.16
  4. Step 4: Simplify right side
    722,324.16x = 394,409,743,326.55
  5. Step 5: Solve for x
    x = 394,409,743,326.55/722,324.16
  6. Step 6: Final answer
    x = 546,028.73

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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.