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Finding the Fourth Proportional to 638,126.41, 957,186.17 and 368,079.51

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Solution

The fourth proportional to 638,126.41, 957,186.17 and 368,079.51 is: 552,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,126.41 : 957,186.17 = 368,079.51 : x
  2. Step 2: Convert to fraction form
    638,126.41/957,186.17 = 368,079.51/x
  3. Step 3: Cross multiply
    638,126.41x = 957,186.17 × 368,079.51
  4. Step 4: Simplify right side
    638,126.41x = 352,320,619,561.73
  5. Step 5: Solve for x
    x = 352,320,619,561.73/638,126.41
  6. Step 6: Final answer
    x = 552,117.28

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