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Finding the Fourth Proportional to 378,461.80, 567,692.70 and 363,946.60

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Solution

The fourth proportional to 378,461.80, 567,692.70 and 363,946.60 is: 545,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,461.80 : 567,692.70 = 363,946.60 : x
  2. Step 2: Convert to fraction form
    378,461.80/567,692.70 = 363,946.60/x
  3. Step 3: Cross multiply
    378,461.80x = 567,692.70 × 363,946.60
  4. Step 4: Simplify right side
    378,461.80x = 206,609,828,009.82
  5. Step 5: Solve for x
    x = 206,609,828,009.82/378,461.80
  6. Step 6: Final answer
    x = 545,919.90

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