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Finding the Fourth Proportional to 406,928.04, 561,567.42 and 225,647.60

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Solution

The fourth proportional to 406,928.04, 561,567.42 and 225,647.60 is: 311,397.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,928.04 : 561,567.42 = 225,647.60 : x
  2. Step 2: Convert to fraction form
    406,928.04/561,567.42 = 225,647.60/x
  3. Step 3: Cross multiply
    406,928.04x = 561,567.42 × 225,647.60
  4. Step 4: Simplify right side
    406,928.04x = 126,716,340,561.19
  5. Step 5: Solve for x
    x = 126,716,340,561.19/406,928.04
  6. Step 6: Final answer
    x = 311,397.42

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