Home / 757,221.09-1,135,585.72-251,646.22

Finding the Fourth Proportional to 757,221.09, 1,135,585.72 and 251,646.22

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Solution

The fourth proportional to 757,221.09, 1,135,585.72 and 251,646.22 is: 377,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,221.09 : 1,135,585.72 = 251,646.22 : x
  2. Step 2: Convert to fraction form
    757,221.09/1,135,585.72 = 251,646.22/x
  3. Step 3: Cross multiply
    757,221.09x = 1,135,585.72 × 251,646.22
  4. Step 4: Simplify right side
    757,221.09x = 285,765,853,923.98
  5. Step 5: Solve for x
    x = 285,765,853,923.98/757,221.09
  6. Step 6: Final answer
    x = 377,387.61

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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.