Home / 756,345.87-1,043,757.51-412,181.88

Finding the Fourth Proportional to 756,345.87, 1,043,757.51 and 412,181.88

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Solution

The fourth proportional to 756,345.87, 1,043,757.51 and 412,181.88 is: 568,811.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,345.87 : 1,043,757.51 = 412,181.88 : x
  2. Step 2: Convert to fraction form
    756,345.87/1,043,757.51 = 412,181.88/x
  3. Step 3: Cross multiply
    756,345.87x = 1,043,757.51 × 412,181.88
  4. Step 4: Simplify right side
    756,345.87x = 430,217,932,735.92
  5. Step 5: Solve for x
    x = 430,217,932,735.92/756,345.87
  6. Step 6: Final answer
    x = 568,811.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.