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Finding the Fourth Proportional to 543,876.40, 815,814.60 and 483,223.60

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Solution

The fourth proportional to 543,876.40, 815,814.60 and 483,223.60 is: 724,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,876.40 : 815,814.60 = 483,223.60 : x
  2. Step 2: Convert to fraction form
    543,876.40/815,814.60 = 483,223.60/x
  3. Step 3: Cross multiply
    543,876.40x = 815,814.60 × 483,223.60
  4. Step 4: Simplify right side
    543,876.40x = 394,220,867,944.56
  5. Step 5: Solve for x
    x = 394,220,867,944.56/543,876.40
  6. Step 6: Final answer
    x = 724,835.40

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