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Finding the Fourth Proportional to 368,677.03, 508,502.66 and 278,036.81

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Solution

The fourth proportional to 368,677.03, 508,502.66 and 278,036.81 is: 383,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,677.03 : 508,502.66 = 278,036.81 : x
  2. Step 2: Convert to fraction form
    368,677.03/508,502.66 = 278,036.81/x
  3. Step 3: Cross multiply
    368,677.03x = 508,502.66 × 278,036.81
  4. Step 4: Simplify right side
    368,677.03x = 141,382,456,072.73
  5. Step 5: Solve for x
    x = 141,382,456,072.73/368,677.03
  6. Step 6: Final answer
    x = 383,485.94

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