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Finding the Fourth Proportional to 470,015.81, 648,622.63 and 268,811.81

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Solution

The fourth proportional to 470,015.81, 648,622.63 and 268,811.81 is: 370,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,015.81 : 648,622.63 = 268,811.81 : x
  2. Step 2: Convert to fraction form
    470,015.81/648,622.63 = 268,811.81/x
  3. Step 3: Cross multiply
    470,015.81x = 648,622.63 × 268,811.81
  4. Step 4: Simplify right side
    470,015.81x = 174,357,423,177.26
  5. Step 5: Solve for x
    x = 174,357,423,177.26/470,015.81
  6. Step 6: Final answer
    x = 370,960.76

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