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Finding the Fourth Proportional to 503,906.81, 695,340.95 and 310,283.49

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Solution

The fourth proportional to 503,906.81, 695,340.95 and 310,283.49 is: 428,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,906.81 : 695,340.95 = 310,283.49 : x
  2. Step 2: Convert to fraction form
    503,906.81/695,340.95 = 310,283.49/x
  3. Step 3: Cross multiply
    503,906.81x = 695,340.95 × 310,283.49
  4. Step 4: Simplify right side
    503,906.81x = 215,752,815,154.50
  5. Step 5: Solve for x
    x = 215,752,815,154.50/503,906.81
  6. Step 6: Final answer
    x = 428,160.15

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