Home / 681,923.02-1,022,847.45-208,608.38

Finding the Fourth Proportional to 681,923.02, 1,022,847.45 and 208,608.38

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Solution

The fourth proportional to 681,923.02, 1,022,847.45 and 208,608.38 is: 312,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,923.02 : 1,022,847.45 = 208,608.38 : x
  2. Step 2: Convert to fraction form
    681,923.02/1,022,847.45 = 208,608.38/x
  3. Step 3: Cross multiply
    681,923.02x = 1,022,847.45 × 208,608.38
  4. Step 4: Simplify right side
    681,923.02x = 213,374,548,488.59
  5. Step 5: Solve for x
    x = 213,374,548,488.59/681,923.02
  6. Step 6: Final answer
    x = 312,901.23

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1.5x scale

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.