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Finding the Fourth Proportional to 934,692.97, 1,401,478.92 and 428,620.03

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Solution

The fourth proportional to 934,692.97, 1,401,478.92 and 428,620.03 is: 642,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,692.97 : 1,401,478.92 = 428,620.03 : x
  2. Step 2: Convert to fraction form
    934,692.97/1,401,478.92 = 428,620.03/x
  3. Step 3: Cross multiply
    934,692.97x = 1,401,478.92 × 428,620.03
  4. Step 4: Simplify right side
    934,692.97x = 600,701,936,734.77
  5. Step 5: Solve for x
    x = 600,701,936,734.77/934,692.97
  6. Step 6: Final answer
    x = 642,673.00

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