Home / 757,945.11-1,137,049.01-308,910.27

Finding the Fourth Proportional to 757,945.11, 1,137,049.01 and 308,910.27

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Solution

The fourth proportional to 757,945.11, 1,137,049.01 and 308,910.27 is: 463,418.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,945.11 : 1,137,049.01 = 308,910.27 : x
  2. Step 2: Convert to fraction form
    757,945.11/1,137,049.01 = 308,910.27/x
  3. Step 3: Cross multiply
    757,945.11x = 1,137,049.01 × 308,910.27
  4. Step 4: Simplify right side
    757,945.11x = 351,246,118,752.68
  5. Step 5: Solve for x
    x = 351,246,118,752.68/757,945.11
  6. Step 6: Final answer
    x = 463,418.94

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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.