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Finding the Fourth Proportional to 627,054.03, 865,337.04 and 340,578.90

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Solution

The fourth proportional to 627,054.03, 865,337.04 and 340,578.90 is: 470,000.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,054.03 : 865,337.04 = 340,578.90 : x
  2. Step 2: Convert to fraction form
    627,054.03/865,337.04 = 340,578.90/x
  3. Step 3: Cross multiply
    627,054.03x = 865,337.04 × 340,578.90
  4. Step 4: Simplify right side
    627,054.03x = 294,715,537,212.46
  5. Step 5: Solve for x
    x = 294,715,537,212.46/627,054.03
  6. Step 6: Final answer
    x = 470,000.23

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