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Finding the Fourth Proportional to 664,634.40, 995,547.60 and 440,102.40

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Solution

The fourth proportional to 664,634.40, 995,547.60 and 440,102.40 is: 659,223.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,634.40 : 995,547.60 = 440,102.40 : x
  2. Step 2: Convert to fraction form
    664,634.40/995,547.60 = 440,102.40/x
  3. Step 3: Cross multiply
    664,634.40x = 995,547.60 × 440,102.40
  4. Step 4: Simplify right side
    664,634.40x = 438,142,888,074.24
  5. Step 5: Solve for x
    x = 438,142,888,074.24/664,634.40
  6. Step 6: Final answer
    x = 659,223.91

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