Home / 726,765.01-1,002,709.96-412,385.28

Finding the Fourth Proportional to 726,765.01, 1,002,709.96 and 412,385.28

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Solution

The fourth proportional to 726,765.01, 1,002,709.96 and 412,385.28 is: 568,963.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,765.01 : 1,002,709.96 = 412,385.28 : x
  2. Step 2: Convert to fraction form
    726,765.01/1,002,709.96 = 412,385.28/x
  3. Step 3: Cross multiply
    726,765.01x = 1,002,709.96 × 412,385.28
  4. Step 4: Simplify right side
    726,765.01x = 413,502,823,982.10
  5. Step 5: Solve for x
    x = 413,502,823,982.10/726,765.01
  6. Step 6: Final answer
    x = 568,963.58

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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.