Home / 741,007.82-1,112,999.70-442,072.46

Finding the Fourth Proportional to 741,007.82, 1,112,999.70 and 442,072.46

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Solution

The fourth proportional to 741,007.82, 1,112,999.70 and 442,072.46 is: 663,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,007.82 : 1,112,999.70 = 442,072.46 : x
  2. Step 2: Convert to fraction form
    741,007.82/1,112,999.70 = 442,072.46/x
  3. Step 3: Cross multiply
    741,007.82x = 1,112,999.70 × 442,072.46
  4. Step 4: Simplify right side
    741,007.82x = 492,026,515,358.26
  5. Step 5: Solve for x
    x = 492,026,515,358.26/741,007.82
  6. Step 6: Final answer
    x = 663,996.39

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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.