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Finding the Fourth Proportional to 407,492.40, 610,072.20 and 360,836.40

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Solution

The fourth proportional to 407,492.40, 610,072.20 and 360,836.40 is: 540,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,492.40 : 610,072.20 = 360,836.40 : x
  2. Step 2: Convert to fraction form
    407,492.40/610,072.20 = 360,836.40/x
  3. Step 3: Cross multiply
    407,492.40x = 610,072.20 × 360,836.40
  4. Step 4: Simplify right side
    407,492.40x = 220,136,256,388.08
  5. Step 5: Solve for x
    x = 220,136,256,388.08/407,492.40
  6. Step 6: Final answer
    x = 540,221.75

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