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Finding the Fourth Proportional to 532,620.28, 734,999.34 and 290,899

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Solution

The fourth proportional to 532,620.28, 734,999.34 and 290,899 is: 401,431.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,620.28 : 734,999.34 = 290,899 : x
  2. Step 2: Convert to fraction form
    532,620.28/734,999.34 = 290,899/x
  3. Step 3: Cross multiply
    532,620.28x = 734,999.34 × 290,899
  4. Step 4: Simplify right side
    532,620.28x = 213,810,573,006.66
  5. Step 5: Solve for x
    x = 213,810,573,006.66/532,620.28
  6. Step 6: Final answer
    x = 401,431.53

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