Home / 795,142.17-1,192,707.78-321,820.70

Finding the Fourth Proportional to 795,142.17, 1,192,707.78 and 321,820.70

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Solution

The fourth proportional to 795,142.17, 1,192,707.78 and 321,820.70 is: 482,728.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    795,142.17 : 1,192,707.78 = 321,820.70 : x
  2. Step 2: Convert to fraction form
    795,142.17/1,192,707.78 = 321,820.70/x
  3. Step 3: Cross multiply
    795,142.17x = 1,192,707.78 × 321,820.70
  4. Step 4: Simplify right side
    795,142.17x = 383,838,046,691.51
  5. Step 5: Solve for x
    x = 383,838,046,691.51/795,142.17
  6. Step 6: Final answer
    x = 482,728.83

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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.