Home / 753,249.97-1,129,949.37-247,605.85

Finding the Fourth Proportional to 753,249.97, 1,129,949.37 and 247,605.85

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Solution

The fourth proportional to 753,249.97, 1,129,949.37 and 247,605.85 is: 371,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,249.97 : 1,129,949.37 = 247,605.85 : x
  2. Step 2: Convert to fraction form
    753,249.97/1,129,949.37 = 247,605.85/x
  3. Step 3: Cross multiply
    753,249.97x = 1,129,949.37 × 247,605.85
  4. Step 4: Simplify right side
    753,249.97x = 279,782,071,390.94
  5. Step 5: Solve for x
    x = 279,782,071,390.94/753,249.97
  6. Step 6: Final answer
    x = 371,433.23

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.