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Finding the Fourth Proportional to 497,605.28, 686,670.48 and 282,716.96

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Solution

The fourth proportional to 497,605.28, 686,670.48 and 282,716.96 is: 390,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,605.28 : 686,670.48 = 282,716.96 : x
  2. Step 2: Convert to fraction form
    497,605.28/686,670.48 = 282,716.96/x
  3. Step 3: Cross multiply
    497,605.28x = 686,670.48 × 282,716.96
  4. Step 4: Simplify right side
    497,605.28x = 194,133,390,627.34
  5. Step 5: Solve for x
    x = 194,133,390,627.34/497,605.28
  6. Step 6: Final answer
    x = 390,135.31

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