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Finding the Fourth Proportional to 567,153.16, 782,706.30 and 312,504.28

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Solution

The fourth proportional to 567,153.16, 782,706.30 and 312,504.28 is: 431,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,153.16 : 782,706.30 = 312,504.28 : x
  2. Step 2: Convert to fraction form
    567,153.16/782,706.30 = 312,504.28/x
  3. Step 3: Cross multiply
    567,153.16x = 782,706.30 × 312,504.28
  4. Step 4: Simplify right side
    567,153.16x = 244,599,068,732.96
  5. Step 5: Solve for x
    x = 244,599,068,732.96/567,153.16
  6. Step 6: Final answer
    x = 431,275.16

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