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Finding the Fourth Proportional to 566,064.80, 781,141.20 and 311,409.44

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Solution

The fourth proportional to 566,064.80, 781,141.20 and 311,409.44 is: 429,729.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,064.80 : 781,141.20 = 311,409.44 : x
  2. Step 2: Convert to fraction form
    566,064.80/781,141.20 = 311,409.44/x
  3. Step 3: Cross multiply
    566,064.80x = 781,141.20 × 311,409.44
  4. Step 4: Simplify right side
    566,064.80x = 243,254,743,652.93
  5. Step 5: Solve for x
    x = 243,254,743,652.93/566,064.80
  6. Step 6: Final answer
    x = 429,729.50

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