Home / 756,823.64-1,135,375.38-217,057.32

Finding the Fourth Proportional to 756,823.64, 1,135,375.38 and 217,057.32

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Solution

The fourth proportional to 756,823.64, 1,135,375.38 and 217,057.32 is: 325,626.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,823.64 : 1,135,375.38 = 217,057.32 : x
  2. Step 2: Convert to fraction form
    756,823.64/1,135,375.38 = 217,057.32/x
  3. Step 3: Cross multiply
    756,823.64x = 1,135,375.38 × 217,057.32
  4. Step 4: Simplify right side
    756,823.64x = 246,441,537,176.78
  5. Step 5: Solve for x
    x = 246,441,537,176.78/756,823.64
  6. Step 6: Final answer
    x = 325,626.11

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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.