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Finding the Fourth Proportional to 572,574.60, 857,112.30 and 446,603.40

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Solution

The fourth proportional to 572,574.60, 857,112.30 and 446,603.40 is: 668,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,574.60 : 857,112.30 = 446,603.40 : x
  2. Step 2: Convert to fraction form
    572,574.60/857,112.30 = 446,603.40/x
  3. Step 3: Cross multiply
    572,574.60x = 857,112.30 × 446,603.40
  4. Step 4: Simplify right side
    572,574.60x = 382,789,267,361.82
  5. Step 5: Solve for x
    x = 382,789,267,361.82/572,574.60
  6. Step 6: Final answer
    x = 668,540.43

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