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Finding the Fourth Proportional to 406,412.40, 608,452.20 and 248,948.40

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Solution

The fourth proportional to 406,412.40, 608,452.20 and 248,948.40 is: 372,708.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,412.40 : 608,452.20 = 248,948.40 : x
  2. Step 2: Convert to fraction form
    406,412.40/608,452.20 = 248,948.40/x
  3. Step 3: Cross multiply
    406,412.40x = 608,452.20 × 248,948.40
  4. Step 4: Simplify right side
    406,412.40x = 151,473,201,666.48
  5. Step 5: Solve for x
    x = 151,473,201,666.48/406,412.40
  6. Step 6: Final answer
    x = 372,708.12

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