Home / 389,711.25-584,583.89-123,491.39

Finding the Fourth Proportional to 389,711.25, 584,583.89 and 123,491.39

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Solution

The fourth proportional to 389,711.25, 584,583.89 and 123,491.39 is: 185,242.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,711.25 : 584,583.89 = 123,491.39 : x
  2. Step 2: Convert to fraction form
    389,711.25/584,583.89 = 123,491.39/x
  3. Step 3: Cross multiply
    389,711.25x = 584,583.89 × 123,491.39
  4. Step 4: Simplify right side
    389,711.25x = 72,191,073,607.33
  5. Step 5: Solve for x
    x = 72,191,073,607.33/389,711.25
  6. Step 6: Final answer
    x = 185,242.47

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