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Finding the Fourth Proportional to 359,404.40, 539,106.60 and 324,412.40

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Solution

The fourth proportional to 359,404.40, 539,106.60 and 324,412.40 is: 486,618.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,404.40 : 539,106.60 = 324,412.40 : x
  2. Step 2: Convert to fraction form
    359,404.40/539,106.60 = 324,412.40/x
  3. Step 3: Cross multiply
    359,404.40x = 539,106.60 × 324,412.40
  4. Step 4: Simplify right side
    359,404.40x = 174,892,865,961.84
  5. Step 5: Solve for x
    x = 174,892,865,961.84/359,404.40
  6. Step 6: Final answer
    x = 486,618.60

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