Home / 708,625.20-977,896.92-386,329.44

Finding the Fourth Proportional to 708,625.20, 977,896.92 and 386,329.44

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Solution

The fourth proportional to 708,625.20, 977,896.92 and 386,329.44 is: 533,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,625.20 : 977,896.92 = 386,329.44 : x
  2. Step 2: Convert to fraction form
    708,625.20/977,896.92 = 386,329.44/x
  3. Step 3: Cross multiply
    708,625.20x = 977,896.92 × 386,329.44
  4. Step 4: Simplify right side
    708,625.20x = 377,790,369,481.33
  5. Step 5: Solve for x
    x = 377,790,369,481.33/708,625.20
  6. Step 6: Final answer
    x = 533,131.43

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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.