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Finding the Fourth Proportional to 541,670.80, 812,506.20 and 384,206.80

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Solution

The fourth proportional to 541,670.80, 812,506.20 and 384,206.80 is: 576,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,670.80 : 812,506.20 = 384,206.80 : x
  2. Step 2: Convert to fraction form
    541,670.80/812,506.20 = 384,206.80/x
  3. Step 3: Cross multiply
    541,670.80x = 812,506.20 × 384,206.80
  4. Step 4: Simplify right side
    541,670.80x = 312,170,407,082.16
  5. Step 5: Solve for x
    x = 312,170,407,082.16/541,670.80
  6. Step 6: Final answer
    x = 576,310.20

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