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Finding the Fourth Proportional to 497,458.44, 686,603.45 and 316,135.01

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Solution

The fourth proportional to 497,458.44, 686,603.45 and 316,135.01 is: 436,336.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,458.44 : 686,603.45 = 316,135.01 : x
  2. Step 2: Convert to fraction form
    497,458.44/686,603.45 = 316,135.01/x
  3. Step 3: Cross multiply
    497,458.44x = 686,603.45 × 316,135.01
  4. Step 4: Simplify right side
    497,458.44x = 217,059,388,531.79
  5. Step 5: Solve for x
    x = 217,059,388,531.79/497,458.44
  6. Step 6: Final answer
    x = 436,336.73

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