Home / 756,469.37-1,043,921.09-412,305.32

Finding the Fourth Proportional to 756,469.37, 1,043,921.09 and 412,305.32

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Solution

The fourth proportional to 756,469.37, 1,043,921.09 and 412,305.32 is: 568,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,469.37 : 1,043,921.09 = 412,305.32 : x
  2. Step 2: Convert to fraction form
    756,469.37/1,043,921.09 = 412,305.32/x
  3. Step 3: Cross multiply
    756,469.37x = 1,043,921.09 × 412,305.32
  4. Step 4: Simplify right side
    756,469.37x = 430,414,215,110.63
  5. Step 5: Solve for x
    x = 430,414,215,110.63/756,469.37
  6. Step 6: Final answer
    x = 568,977.72

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1.5x scale

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.