Home / 399,734.18-551,634.60-218,446.13

Finding the Fourth Proportional to 399,734.18, 551,634.60 and 218,446.13

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Solution

The fourth proportional to 399,734.18, 551,634.60 and 218,446.13 is: 301,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,734.18 : 551,634.60 = 218,446.13 : x
  2. Step 2: Convert to fraction form
    399,734.18/551,634.60 = 218,446.13/x
  3. Step 3: Cross multiply
    399,734.18x = 551,634.60 × 218,446.13
  4. Step 4: Simplify right side
    399,734.18x = 120,502,442,451.87
  5. Step 5: Solve for x
    x = 120,502,442,451.87/399,734.18
  6. Step 6: Final answer
    x = 301,456.44

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