Home / 725,564.10-1,087,568.55-276,111.30

Finding the Fourth Proportional to 725,564.10, 1,087,568.55 and 276,111.30

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Solution

The fourth proportional to 725,564.10, 1,087,568.55 and 276,111.30 is: 413,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,564.10 : 1,087,568.55 = 276,111.30 : x
  2. Step 2: Convert to fraction form
    725,564.10/1,087,568.55 = 276,111.30/x
  3. Step 3: Cross multiply
    725,564.10x = 1,087,568.55 × 276,111.30
  4. Step 4: Simplify right side
    725,564.10x = 300,289,966,179.62
  5. Step 5: Solve for x
    x = 300,289,966,179.62/725,564.10
  6. Step 6: Final answer
    x = 413,871.04

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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.