Home / 725,297.11-1,087,953.86-219,854.07

Finding the Fourth Proportional to 725,297.11, 1,087,953.86 and 219,854.07

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Solution

The fourth proportional to 725,297.11, 1,087,953.86 and 219,854.07 is: 329,783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,297.11 : 1,087,953.86 = 219,854.07 : x
  2. Step 2: Convert to fraction form
    725,297.11/1,087,953.86 = 219,854.07/x
  3. Step 3: Cross multiply
    725,297.11x = 1,087,953.86 × 219,854.07
  4. Step 4: Simplify right side
    725,297.11x = 239,191,084,642.85
  5. Step 5: Solve for x
    x = 239,191,084,642.85/725,297.11
  6. Step 6: Final answer
    x = 329,783.59

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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.