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Finding the Fourth Proportional to 567,608.96, 783,285.72 and 312,955.76

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Solution

The fourth proportional to 567,608.96, 783,285.72 and 312,955.76 is: 431,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,608.96 : 783,285.72 = 312,955.76 : x
  2. Step 2: Convert to fraction form
    567,608.96/783,285.72 = 312,955.76/x
  3. Step 3: Cross multiply
    567,608.96x = 783,285.72 × 312,955.76
  4. Step 4: Simplify right side
    567,608.96x = 245,133,777,799.75
  5. Step 5: Solve for x
    x = 245,133,777,799.75/567,608.96
  6. Step 6: Final answer
    x = 431,870.87

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