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Finding the Fourth Proportional to 634,505.78, 875,619.24 and 348,028.22

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Solution

The fourth proportional to 634,505.78, 875,619.24 and 348,028.22 is: 480,279.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,505.78 : 875,619.24 = 348,028.22 : x
  2. Step 2: Convert to fraction form
    634,505.78/875,619.24 = 348,028.22/x
  3. Step 3: Cross multiply
    634,505.78x = 875,619.24 × 348,028.22
  4. Step 4: Simplify right side
    634,505.78x = 304,740,205,494.95
  5. Step 5: Solve for x
    x = 304,740,205,494.95/634,505.78
  6. Step 6: Final answer
    x = 480,279.64

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