Home / 681,572.05-1,022,542.07-208,244.50

Finding the Fourth Proportional to 681,572.05, 1,022,542.07 and 208,244.50

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Solution

The fourth proportional to 681,572.05, 1,022,542.07 and 208,244.50 is: 312,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,572.05 : 1,022,542.07 = 208,244.50 : x
  2. Step 2: Convert to fraction form
    681,572.05/1,022,542.07 = 208,244.50/x
  3. Step 3: Cross multiply
    681,572.05x = 1,022,542.07 × 208,244.50
  4. Step 4: Simplify right side
    681,572.05x = 212,938,762,096.12
  5. Step 5: Solve for x
    x = 212,938,762,096.12/681,572.05
  6. Step 6: Final answer
    x = 312,422.97

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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.