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Finding the Fourth Proportional to 483,114.60, 724,671.90 and 455,558.40

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Solution

The fourth proportional to 483,114.60, 724,671.90 and 455,558.40 is: 683,337.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,114.60 : 724,671.90 = 455,558.40 : x
  2. Step 2: Convert to fraction form
    483,114.60/724,671.90 = 455,558.40/x
  3. Step 3: Cross multiply
    483,114.60x = 724,671.90 × 455,558.40
  4. Step 4: Simplify right side
    483,114.60x = 330,130,371,288.96
  5. Step 5: Solve for x
    x = 330,130,371,288.96/483,114.60
  6. Step 6: Final answer
    x = 683,337.60

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