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Finding the Fourth Proportional to 483,429.60, 725,144.40 and 411,890.40

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Solution

The fourth proportional to 483,429.60, 725,144.40 and 411,890.40 is: 617,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,429.60 : 725,144.40 = 411,890.40 : x
  2. Step 2: Convert to fraction form
    483,429.60/725,144.40 = 411,890.40/x
  3. Step 3: Cross multiply
    483,429.60x = 725,144.40 × 411,890.40
  4. Step 4: Simplify right side
    483,429.60x = 298,680,016,973.76
  5. Step 5: Solve for x
    x = 298,680,016,973.76/483,429.60
  6. Step 6: Final answer
    x = 617,835.60

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