Home / 663,941.40-996,908.39-379,952.61

Finding the Fourth Proportional to 663,941.40, 996,908.39 and 379,952.61

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Solution

The fourth proportional to 663,941.40, 996,908.39 and 379,952.61 is: 570,499.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,941.40 : 996,908.39 = 379,952.61 : x
  2. Step 2: Convert to fraction form
    663,941.40/996,908.39 = 379,952.61/x
  3. Step 3: Cross multiply
    663,941.40x = 996,908.39 × 379,952.61
  4. Step 4: Simplify right side
    663,941.40x = 378,777,944,711.40
  5. Step 5: Solve for x
    x = 378,777,944,711.40/663,941.40
  6. Step 6: Final answer
    x = 570,499.06

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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.