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Finding the Fourth Proportional to 483,205.20, 724,807.80 and 404,408.40

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Solution

The fourth proportional to 483,205.20, 724,807.80 and 404,408.40 is: 606,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,205.20 : 724,807.80 = 404,408.40 : x
  2. Step 2: Convert to fraction form
    483,205.20/724,807.80 = 404,408.40/x
  3. Step 3: Cross multiply
    483,205.20x = 724,807.80 × 404,408.40
  4. Step 4: Simplify right side
    483,205.20x = 293,118,362,705.52
  5. Step 5: Solve for x
    x = 293,118,362,705.52/483,205.20
  6. Step 6: Final answer
    x = 606,612.60

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