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Finding the Fourth Proportional to 519,742.25, 779,613.41 and 125,758.25

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Solution

The fourth proportional to 519,742.25, 779,613.41 and 125,758.25 is: 188,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,742.25 : 779,613.41 = 125,758.25 : x
  2. Step 2: Convert to fraction form
    519,742.25/779,613.41 = 125,758.25/x
  3. Step 3: Cross multiply
    519,742.25x = 779,613.41 × 125,758.25
  4. Step 4: Simplify right side
    519,742.25x = 98,042,818,118.13
  5. Step 5: Solve for x
    x = 98,042,818,118.13/519,742.25
  6. Step 6: Final answer
    x = 188,637.38

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