Home / 579,848.82-800,197.86-321,730.44

Finding the Fourth Proportional to 579,848.82, 800,197.86 and 321,730.44

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Solution

The fourth proportional to 579,848.82, 800,197.86 and 321,730.44 is: 443,991.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,848.82 : 800,197.86 = 321,730.44 : x
  2. Step 2: Convert to fraction form
    579,848.82/800,197.86 = 321,730.44/x
  3. Step 3: Cross multiply
    579,848.82x = 800,197.86 × 321,730.44
  4. Step 4: Simplify right side
    579,848.82x = 257,448,009,584.86
  5. Step 5: Solve for x
    x = 257,448,009,584.86/579,848.82
  6. Step 6: Final answer
    x = 443,991.61

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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.