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Finding the Fourth Proportional to 688,034.72, 949,519.49 and 382,112.53

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Solution

The fourth proportional to 688,034.72, 949,519.49 and 382,112.53 is: 527,332.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,034.72 : 949,519.49 = 382,112.53 : x
  2. Step 2: Convert to fraction form
    688,034.72/949,519.49 = 382,112.53/x
  3. Step 3: Cross multiply
    688,034.72x = 949,519.49 × 382,112.53
  4. Step 4: Simplify right side
    688,034.72x = 362,823,287,950.05
  5. Step 5: Solve for x
    x = 362,823,287,950.05/688,034.72
  6. Step 6: Final answer
    x = 527,332.82

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