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Finding the Fourth Proportional to 656,272.13, 905,656.14 and 354,466.13

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Solution

The fourth proportional to 656,272.13, 905,656.14 and 354,466.13 is: 489,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,272.13 : 905,656.14 = 354,466.13 : x
  2. Step 2: Convert to fraction form
    656,272.13/905,656.14 = 354,466.13/x
  3. Step 3: Cross multiply
    656,272.13x = 905,656.14 × 354,466.13
  4. Step 4: Simplify right side
    656,272.13x = 321,024,422,528.26
  5. Step 5: Solve for x
    x = 321,024,422,528.26/656,272.13
  6. Step 6: Final answer
    x = 489,163.58

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