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Finding the Fourth Proportional to 564,230.97, 778,653.07 and 309,582.09

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Solution

The fourth proportional to 564,230.97, 778,653.07 and 309,582.09 is: 427,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,230.97 : 778,653.07 = 309,582.09 : x
  2. Step 2: Convert to fraction form
    564,230.97/778,653.07 = 309,582.09/x
  3. Step 3: Cross multiply
    564,230.97x = 778,653.07 × 309,582.09
  4. Step 4: Simplify right side
    564,230.97x = 241,057,044,021.56
  5. Step 5: Solve for x
    x = 241,057,044,021.56/564,230.97
  6. Step 6: Final answer
    x = 427,231.15

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