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Finding the Fourth Proportional to 661,667.98, 913,309.95 and 375,378.34

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Solution

The fourth proportional to 661,667.98, 913,309.95 and 375,378.34 is: 518,140.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,667.98 : 913,309.95 = 375,378.34 : x
  2. Step 2: Convert to fraction form
    661,667.98/913,309.95 = 375,378.34/x
  3. Step 3: Cross multiply
    661,667.98x = 913,309.95 × 375,378.34
  4. Step 4: Simplify right side
    661,667.98x = 342,836,772,936.48
  5. Step 5: Solve for x
    x = 342,836,772,936.48/661,667.98
  6. Step 6: Final answer
    x = 518,140.19

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