Home / 696,551.04-961,251.84-394,738.56

Finding the Fourth Proportional to 696,551.04, 961,251.84 and 394,738.56

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Solution

The fourth proportional to 696,551.04, 961,251.84 and 394,738.56 is: 544,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,551.04 : 961,251.84 = 394,738.56 : x
  2. Step 2: Convert to fraction form
    696,551.04/961,251.84 = 394,738.56/x
  3. Step 3: Cross multiply
    696,551.04x = 961,251.84 × 394,738.56
  4. Step 4: Simplify right side
    696,551.04x = 379,443,167,118.95
  5. Step 5: Solve for x
    x = 379,443,167,118.95/696,551.04
  6. Step 6: Final answer
    x = 544,745.68

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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.