Home / 663,013.35-994,084.38-321,366.38

Finding the Fourth Proportional to 663,013.35, 994,084.38 and 321,366.38

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Solution

The fourth proportional to 663,013.35, 994,084.38 and 321,366.38 is: 481,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,013.35 : 994,084.38 = 321,366.38 : x
  2. Step 2: Convert to fraction form
    663,013.35/994,084.38 = 321,366.38/x
  3. Step 3: Cross multiply
    663,013.35x = 994,084.38 × 321,366.38
  4. Step 4: Simplify right side
    663,013.35x = 319,465,293,644.72
  5. Step 5: Solve for x
    x = 319,465,293,644.72/663,013.35
  6. Step 6: Final answer
    x = 481,838.40

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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.