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Finding the Fourth Proportional to 549,491.40, 823,143.60 and 483,735.60

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Solution

The fourth proportional to 549,491.40, 823,143.60 and 483,735.60 is: 724,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,491.40 : 823,143.60 = 483,735.60 : x
  2. Step 2: Convert to fraction form
    549,491.40/823,143.60 = 483,735.60/x
  3. Step 3: Cross multiply
    549,491.40x = 823,143.60 × 483,735.60
  4. Step 4: Simplify right side
    549,491.40x = 398,183,863,232.16
  5. Step 5: Solve for x
    x = 398,183,863,232.16/549,491.40
  6. Step 6: Final answer
    x = 724,640.76

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