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Finding the Fourth Proportional to 621,634.08, 857,853.76 and 349,702.16

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Solution

The fourth proportional to 621,634.08, 857,853.76 and 349,702.16 is: 482,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,634.08 : 857,853.76 = 349,702.16 : x
  2. Step 2: Convert to fraction form
    621,634.08/857,853.76 = 349,702.16/x
  3. Step 3: Cross multiply
    621,634.08x = 857,853.76 × 349,702.16
  4. Step 4: Simplify right side
    621,634.08x = 299,993,312,836.12
  5. Step 5: Solve for x
    x = 299,993,312,836.12/621,634.08
  6. Step 6: Final answer
    x = 482,588.27

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