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Finding the Fourth Proportional to 501,189.78, 691,599.10 and 283,387.77

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Solution

The fourth proportional to 501,189.78, 691,599.10 and 283,387.77 is: 391,050.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,189.78 : 691,599.10 = 283,387.77 : x
  2. Step 2: Convert to fraction form
    501,189.78/691,599.10 = 283,387.77/x
  3. Step 3: Cross multiply
    501,189.78x = 691,599.10 × 283,387.77
  4. Step 4: Simplify right side
    501,189.78x = 195,990,726,683.01
  5. Step 5: Solve for x
    x = 195,990,726,683.01/501,189.78
  6. Step 6: Final answer
    x = 391,050.92

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