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Finding the Fourth Proportional to 476,624.62, 714,936.31 and 121,638.66

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Solution

The fourth proportional to 476,624.62, 714,936.31 and 121,638.66 is: 182,457.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,624.62 : 714,936.31 = 121,638.66 : x
  2. Step 2: Convert to fraction form
    476,624.62/714,936.31 = 121,638.66/x
  3. Step 3: Cross multiply
    476,624.62x = 714,936.31 × 121,638.66
  4. Step 4: Simplify right side
    476,624.62x = 86,963,894,733.74
  5. Step 5: Solve for x
    x = 86,963,894,733.74/476,624.62
  6. Step 6: Final answer
    x = 182,457.83

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