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Finding the Fourth Proportional to 710,785.54, 1,066,021.04 and 205,236.78

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Solution

The fourth proportional to 710,785.54, 1,066,021.04 and 205,236.78 is: 307,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,785.54 : 1,066,021.04 = 205,236.78 : x
  2. Step 2: Convert to fraction form
    710,785.54/1,066,021.04 = 205,236.78/x
  3. Step 3: Cross multiply
    710,785.54x = 1,066,021.04 × 205,236.78
  4. Step 4: Simplify right side
    710,785.54x = 218,786,725,661.85
  5. Step 5: Solve for x
    x = 218,786,725,661.85/710,785.54
  6. Step 6: Final answer
    x = 307,809.76

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