Home / 741,394.58-1,112,091.93-641,257.38

Finding the Fourth Proportional to 741,394.58, 1,112,091.93 and 641,257.38

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Solution

The fourth proportional to 741,394.58, 1,112,091.93 and 641,257.38 is: 961,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,394.58 : 1,112,091.93 = 641,257.38 : x
  2. Step 2: Convert to fraction form
    741,394.58/1,112,091.93 = 641,257.38/x
  3. Step 3: Cross multiply
    741,394.58x = 1,112,091.93 × 641,257.38
  4. Step 4: Simplify right side
    741,394.58x = 713,137,157,350.94
  5. Step 5: Solve for x
    x = 713,137,157,350.94/741,394.58
  6. Step 6: Final answer
    x = 961,886.13

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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.