Home / 820,042.64-1,230,060.12-259,076.24

Finding the Fourth Proportional to 820,042.64, 1,230,060.12 and 259,076.24

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Solution

The fourth proportional to 820,042.64, 1,230,060.12 and 259,076.24 is: 388,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,042.64 : 1,230,060.12 = 259,076.24 : x
  2. Step 2: Convert to fraction form
    820,042.64/1,230,060.12 = 259,076.24/x
  3. Step 3: Cross multiply
    820,042.64x = 1,230,060.12 × 259,076.24
  4. Step 4: Simplify right side
    820,042.64x = 318,679,350,863.55
  5. Step 5: Solve for x
    x = 318,679,350,863.55/820,042.64
  6. Step 6: Final answer
    x = 388,613.15

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