Home / 681,813.03-1,022,621.07-208,371.27

Finding the Fourth Proportional to 681,813.03, 1,022,621.07 and 208,371.27

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Solution

The fourth proportional to 681,813.03, 1,022,621.07 and 208,371.27 is: 312,526.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,813.03 : 1,022,621.07 = 208,371.27 : x
  2. Step 2: Convert to fraction form
    681,813.03/1,022,621.07 = 208,371.27/x
  3. Step 3: Cross multiply
    681,813.03x = 1,022,621.07 × 208,371.27
  4. Step 4: Simplify right side
    681,813.03x = 213,084,851,084.66
  5. Step 5: Solve for x
    x = 213,084,851,084.66/681,813.03
  6. Step 6: Final answer
    x = 312,526.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.