Home / 725,294.86-1,087,950.49-219,851.82

Finding the Fourth Proportional to 725,294.86, 1,087,950.49 and 219,851.82

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Solution

The fourth proportional to 725,294.86, 1,087,950.49 and 219,851.82 is: 329,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,294.86 : 1,087,950.49 = 219,851.82 : x
  2. Step 2: Convert to fraction form
    725,294.86/1,087,950.49 = 219,851.82/x
  3. Step 3: Cross multiply
    725,294.86x = 1,087,950.49 × 219,851.82
  4. Step 4: Simplify right side
    725,294.86x = 239,187,894,746.76
  5. Step 5: Solve for x
    x = 239,187,894,746.76/725,294.86
  6. Step 6: Final answer
    x = 329,780.22

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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.