Home / 681,946.43-1,022,960.59-208,635.89

Finding the Fourth Proportional to 681,946.43, 1,022,960.59 and 208,635.89

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Solution

The fourth proportional to 681,946.43, 1,022,960.59 and 208,635.89 is: 312,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,946.43 : 1,022,960.59 = 208,635.89 : x
  2. Step 2: Convert to fraction form
    681,946.43/1,022,960.59 = 208,635.89/x
  3. Step 3: Cross multiply
    681,946.43x = 1,022,960.59 × 208,635.89
  4. Step 4: Simplify right side
    681,946.43x = 213,426,287,493.18
  5. Step 5: Solve for x
    x = 213,426,287,493.18/681,946.43
  6. Step 6: Final answer
    x = 312,966.36

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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.