Home / 681,412.96-1,022,274.96-208,165.60

Finding the Fourth Proportional to 681,412.96, 1,022,274.96 and 208,165.60

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Solution

The fourth proportional to 681,412.96, 1,022,274.96 and 208,165.60 is: 312,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,412.96 : 1,022,274.96 = 208,165.60 : x
  2. Step 2: Convert to fraction form
    681,412.96/1,022,274.96 = 208,165.60/x
  3. Step 3: Cross multiply
    681,412.96x = 1,022,274.96 × 208,165.60
  4. Step 4: Simplify right side
    681,412.96x = 212,802,480,413.38
  5. Step 5: Solve for x
    x = 212,802,480,413.38/681,412.96
  6. Step 6: Final answer
    x = 312,295.91

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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.