Home / 915,887.54-1,373,956.31-316,687.81

Finding the Fourth Proportional to 915,887.54, 1,373,956.31 and 316,687.81

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Solution

The fourth proportional to 915,887.54, 1,373,956.31 and 316,687.81 is: 475,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,887.54 : 1,373,956.31 = 316,687.81 : x
  2. Step 2: Convert to fraction form
    915,887.54/1,373,956.31 = 316,687.81/x
  3. Step 3: Cross multiply
    915,887.54x = 1,373,956.31 × 316,687.81
  4. Step 4: Simplify right side
    915,887.54x = 435,115,214,849.58
  5. Step 5: Solve for x
    x = 435,115,214,849.58/915,887.54
  6. Step 6: Final answer
    x = 475,074.94

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