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Finding the Fourth Proportional to 509,038.61, 763,560.14 and 172,081.04

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Solution

The fourth proportional to 509,038.61, 763,560.14 and 172,081.04 is: 258,122.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,038.61 : 763,560.14 = 172,081.04 : x
  2. Step 2: Convert to fraction form
    509,038.61/763,560.14 = 172,081.04/x
  3. Step 3: Cross multiply
    509,038.61x = 763,560.14 × 172,081.04
  4. Step 4: Simplify right side
    509,038.61x = 131,394,218,315.54
  5. Step 5: Solve for x
    x = 131,394,218,315.54/509,038.61
  6. Step 6: Final answer
    x = 258,122.31

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