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Finding the Fourth Proportional to 401,213.19, 553,351.35 and 352,711.42

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Solution

The fourth proportional to 401,213.19, 553,351.35 and 352,711.42 is: 486,457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,213.19 : 553,351.35 = 352,711.42 : x
  2. Step 2: Convert to fraction form
    401,213.19/553,351.35 = 352,711.42/x
  3. Step 3: Cross multiply
    401,213.19x = 553,351.35 × 352,711.42
  4. Step 4: Simplify right side
    401,213.19x = 195,173,338,372.71
  5. Step 5: Solve for x
    x = 195,173,338,372.71/401,213.19
  6. Step 6: Final answer
    x = 486,457.93

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