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Finding the Fourth Proportional to 516,777.45, 775,116.02 and 156,951.40

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Solution

The fourth proportional to 516,777.45, 775,116.02 and 156,951.40 is: 235,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,777.45 : 775,116.02 = 156,951.40 : x
  2. Step 2: Convert to fraction form
    516,777.45/775,116.02 = 156,951.40/x
  3. Step 3: Cross multiply
    516,777.45x = 775,116.02 × 156,951.40
  4. Step 4: Simplify right side
    516,777.45x = 121,655,544,501.43
  5. Step 5: Solve for x
    x = 121,655,544,501.43/516,777.45
  6. Step 6: Final answer
    x = 235,411.87

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