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Finding the Fourth Proportional to 403,910.90, 605,866.35 and 341,702.90

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Solution

The fourth proportional to 403,910.90, 605,866.35 and 341,702.90 is: 512,554.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,910.90 : 605,866.35 = 341,702.90 : x
  2. Step 2: Convert to fraction form
    403,910.90/605,866.35 = 341,702.90/x
  3. Step 3: Cross multiply
    403,910.90x = 605,866.35 × 341,702.90
  4. Step 4: Simplify right side
    403,910.90x = 207,026,288,807.42
  5. Step 5: Solve for x
    x = 207,026,288,807.42/403,910.90
  6. Step 6: Final answer
    x = 512,554.35

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