Home / 681,905.59-1,022,821.56-208,591.00

Finding the Fourth Proportional to 681,905.59, 1,022,821.56 and 208,591.00

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Solution

The fourth proportional to 681,905.59, 1,022,821.56 and 208,591.00 is: 312,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,905.59 : 1,022,821.56 = 208,591.00 : x
  2. Step 2: Convert to fraction form
    681,905.59/1,022,821.56 = 208,591.00/x
  3. Step 3: Cross multiply
    681,905.59x = 1,022,821.56 × 208,591.00
  4. Step 4: Simplify right side
    681,905.59x = 213,351,369,464.91
  5. Step 5: Solve for x
    x = 213,351,369,464.91/681,905.59
  6. Step 6: Final answer
    x = 312,875.23

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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.