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Finding the Fourth Proportional to 483,141.70, 724,712.55 and 441,807.40

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Solution

The fourth proportional to 483,141.70, 724,712.55 and 441,807.40 is: 662,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,141.70 : 724,712.55 = 441,807.40 : x
  2. Step 2: Convert to fraction form
    483,141.70/724,712.55 = 441,807.40/x
  3. Step 3: Cross multiply
    483,141.70x = 724,712.55 × 441,807.40
  4. Step 4: Simplify right side
    483,141.70x = 320,183,367,462.87
  5. Step 5: Solve for x
    x = 320,183,367,462.87/483,141.70
  6. Step 6: Final answer
    x = 662,711.10

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