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Finding the Fourth Proportional to 455,266.40, 682,899.60 and 366,692.90

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Solution

The fourth proportional to 455,266.40, 682,899.60 and 366,692.90 is: 550,039.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,266.40 : 682,899.60 = 366,692.90 : x
  2. Step 2: Convert to fraction form
    455,266.40/682,899.60 = 366,692.90/x
  3. Step 3: Cross multiply
    455,266.40x = 682,899.60 × 366,692.90
  4. Step 4: Simplify right side
    455,266.40x = 250,414,434,732.84
  5. Step 5: Solve for x
    x = 250,414,434,732.84/455,266.40
  6. Step 6: Final answer
    x = 550,039.35

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