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Finding the Fourth Proportional to 530,318.37, 731,855.81 and 300,885.28

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Solution

The fourth proportional to 530,318.37, 731,855.81 and 300,885.28 is: 415,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,318.37 : 731,855.81 = 300,885.28 : x
  2. Step 2: Convert to fraction form
    530,318.37/731,855.81 = 300,885.28/x
  3. Step 3: Cross multiply
    530,318.37x = 731,855.81 × 300,885.28
  4. Step 4: Simplify right side
    530,318.37x = 220,204,640,311.48
  5. Step 5: Solve for x
    x = 220,204,640,311.48/530,318.37
  6. Step 6: Final answer
    x = 415,231.02

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