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Finding the Fourth Proportional to 401,315.16, 553,812.48 and 220,034.76

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Solution

The fourth proportional to 401,315.16, 553,812.48 and 220,034.76 is: 303,646.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,315.16 : 553,812.48 = 220,034.76 : x
  2. Step 2: Convert to fraction form
    401,315.16/553,812.48 = 220,034.76/x
  3. Step 3: Cross multiply
    401,315.16x = 553,812.48 × 220,034.76
  4. Step 4: Simplify right side
    401,315.16x = 121,857,996,121.81
  5. Step 5: Solve for x
    x = 121,857,996,121.81/401,315.16
  6. Step 6: Final answer
    x = 303,646.63

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