Home / 681,925.73-1,022,851.47-208,611.08

Finding the Fourth Proportional to 681,925.73, 1,022,851.47 and 208,611.08

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Solution

The fourth proportional to 681,925.73, 1,022,851.47 and 208,611.08 is: 312,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,925.73 : 1,022,851.47 = 208,611.08 : x
  2. Step 2: Convert to fraction form
    681,925.73/1,022,851.47 = 208,611.08/x
  3. Step 3: Cross multiply
    681,925.73x = 1,022,851.47 × 208,611.08
  4. Step 4: Simplify right side
    681,925.73x = 213,378,144,722.03
  5. Step 5: Solve for x
    x = 213,378,144,722.03/681,925.73
  6. Step 6: Final answer
    x = 312,905.26

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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.