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Finding the Fourth Proportional to 369,291.33, 553,936.98 and 285,174.45

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Solution

The fourth proportional to 369,291.33, 553,936.98 and 285,174.45 is: 427,761.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,291.33 : 553,936.98 = 285,174.45 : x
  2. Step 2: Convert to fraction form
    369,291.33/553,936.98 = 285,174.45/x
  3. Step 3: Cross multiply
    369,291.33x = 553,936.98 × 285,174.45
  4. Step 4: Simplify right side
    369,291.33x = 157,968,673,606.16
  5. Step 5: Solve for x
    x = 157,968,673,606.16/369,291.33
  6. Step 6: Final answer
    x = 427,761.66

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