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Finding the Fourth Proportional to 483,140.70, 724,711.05 and 441,806.40

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Solution

The fourth proportional to 483,140.70, 724,711.05 and 441,806.40 is: 662,709.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,140.70 : 724,711.05 = 441,806.40 : x
  2. Step 2: Convert to fraction form
    483,140.70/724,711.05 = 441,806.40/x
  3. Step 3: Cross multiply
    483,140.70x = 724,711.05 × 441,806.40
  4. Step 4: Simplify right side
    483,140.70x = 320,181,980,040.72
  5. Step 5: Solve for x
    x = 320,181,980,040.72/483,140.70
  6. Step 6: Final answer
    x = 662,709.60

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