Home / 725,134.68-1,087,871.31-219,699.54

Finding the Fourth Proportional to 725,134.68, 1,087,871.31 and 219,699.54

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Solution

The fourth proportional to 725,134.68, 1,087,871.31 and 219,699.54 is: 329,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,134.68 : 1,087,871.31 = 219,699.54 : x
  2. Step 2: Convert to fraction form
    725,134.68/1,087,871.31 = 219,699.54/x
  3. Step 3: Cross multiply
    725,134.68x = 1,087,871.31 × 219,699.54
  4. Step 4: Simplify right side
    725,134.68x = 239,004,826,386.20
  5. Step 5: Solve for x
    x = 239,004,826,386.20/725,134.68
  6. Step 6: Final answer
    x = 329,600.60

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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.