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Finding the Fourth Proportional to 367,619.40, 551,429.10 and 308,570.40

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Solution

The fourth proportional to 367,619.40, 551,429.10 and 308,570.40 is: 462,855.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,619.40 : 551,429.10 = 308,570.40 : x
  2. Step 2: Convert to fraction form
    367,619.40/551,429.10 = 308,570.40/x
  3. Step 3: Cross multiply
    367,619.40x = 551,429.10 × 308,570.40
  4. Step 4: Simplify right side
    367,619.40x = 170,154,697,958.64
  5. Step 5: Solve for x
    x = 170,154,697,958.64/367,619.40
  6. Step 6: Final answer
    x = 462,855.60

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