Home / 681,878.50-1,022,858.76-208,567.96

Finding the Fourth Proportional to 681,878.50, 1,022,858.76 and 208,567.96

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Solution

The fourth proportional to 681,878.50, 1,022,858.76 and 208,567.96 is: 312,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,878.50 : 1,022,858.76 = 208,567.96 : x
  2. Step 2: Convert to fraction form
    681,878.50/1,022,858.76 = 208,567.96/x
  3. Step 3: Cross multiply
    681,878.50x = 1,022,858.76 × 208,567.96
  4. Step 4: Simplify right side
    681,878.50x = 213,335,564,941.33
  5. Step 5: Solve for x
    x = 213,335,564,941.33/681,878.50
  6. Step 6: Final answer
    x = 312,864.48

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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.