Home / 681,607.76-1,022,414.06-208,291.14

Finding the Fourth Proportional to 681,607.76, 1,022,414.06 and 208,291.14

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Solution

The fourth proportional to 681,607.76, 1,022,414.06 and 208,291.14 is: 312,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,607.76 : 1,022,414.06 = 208,291.14 : x
  2. Step 2: Convert to fraction form
    681,607.76/1,022,414.06 = 208,291.14/x
  3. Step 3: Cross multiply
    681,607.76x = 1,022,414.06 × 208,291.14
  4. Step 4: Simplify right side
    681,607.76x = 212,959,790,630.16
  5. Step 5: Solve for x
    x = 212,959,790,630.16/681,607.76
  6. Step 6: Final answer
    x = 312,437.45

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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.