Home / 756,589.32-1,135,154.94-324,125.32

Finding the Fourth Proportional to 756,589.32, 1,135,154.94 and 324,125.32

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Solution

The fourth proportional to 756,589.32, 1,135,154.94 and 324,125.32 is: 486,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,589.32 : 1,135,154.94 = 324,125.32 : x
  2. Step 2: Convert to fraction form
    756,589.32/1,135,154.94 = 324,125.32/x
  3. Step 3: Cross multiply
    756,589.32x = 1,135,154.94 × 324,125.32
  4. Step 4: Simplify right side
    756,589.32x = 367,932,458,177.08
  5. Step 5: Solve for x
    x = 367,932,458,177.08/756,589.32
  6. Step 6: Final answer
    x = 486,304.06

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Double scale
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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.