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Finding the Fourth Proportional to 461,167.16, 636,706.79 and 289,320.75

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Solution

The fourth proportional to 461,167.16, 636,706.79 and 289,320.75 is: 399,448.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,167.16 : 636,706.79 = 289,320.75 : x
  2. Step 2: Convert to fraction form
    461,167.16/636,706.79 = 289,320.75/x
  3. Step 3: Cross multiply
    461,167.16x = 636,706.79 × 289,320.75
  4. Step 4: Simplify right side
    461,167.16x = 184,212,486,012.89
  5. Step 5: Solve for x
    x = 184,212,486,012.89/461,167.16
  6. Step 6: Final answer
    x = 399,448.40

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