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Finding the Fourth Proportional to 978,082.65, 1,467,123.98 and 409,365.45

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Solution

The fourth proportional to 978,082.65, 1,467,123.98 and 409,365.45 is: 614,048.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,082.65 : 1,467,123.98 = 409,365.45 : x
  2. Step 2: Convert to fraction form
    978,082.65/1,467,123.98 = 409,365.45/x
  3. Step 3: Cross multiply
    978,082.65x = 1,467,123.98 × 409,365.45
  4. Step 4: Simplify right side
    978,082.65x = 600,589,866,231.66
  5. Step 5: Solve for x
    x = 600,589,866,231.66/978,082.65
  6. Step 6: Final answer
    x = 614,048.18

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