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Finding the Fourth Proportional to 455,646.40, 683,469.60 and 367,072.90

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Solution

The fourth proportional to 455,646.40, 683,469.60 and 367,072.90 is: 550,609.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,646.40 : 683,469.60 = 367,072.90 : x
  2. Step 2: Convert to fraction form
    455,646.40/683,469.60 = 367,072.90/x
  3. Step 3: Cross multiply
    455,646.40x = 683,469.60 × 367,072.90
  4. Step 4: Simplify right side
    455,646.40x = 250,883,168,133.84
  5. Step 5: Solve for x
    x = 250,883,168,133.84/455,646.40
  6. Step 6: Final answer
    x = 550,609.35

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