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Finding the Fourth Proportional to 374,871.30, 561,626.55 and 216,629.70

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Solution

The fourth proportional to 374,871.30, 561,626.55 and 216,629.70 is: 324,551.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,871.30 : 561,626.55 = 216,629.70 : x
  2. Step 2: Convert to fraction form
    374,871.30/561,626.55 = 216,629.70/x
  3. Step 3: Cross multiply
    374,871.30x = 561,626.55 × 216,629.70
  4. Step 4: Simplify right side
    374,871.30x = 121,664,991,038.54
  5. Step 5: Solve for x
    x = 121,664,991,038.54/374,871.30
  6. Step 6: Final answer
    x = 324,551.36

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