Home / 579,964.13-800,348.86-321,880.04

Finding the Fourth Proportional to 579,964.13, 800,348.86 and 321,880.04

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Solution

The fourth proportional to 579,964.13, 800,348.86 and 321,880.04 is: 444,193.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,964.13 : 800,348.86 = 321,880.04 : x
  2. Step 2: Convert to fraction form
    579,964.13/800,348.86 = 321,880.04/x
  3. Step 3: Cross multiply
    579,964.13x = 800,348.86 × 321,880.04
  4. Step 4: Simplify right side
    579,964.13x = 257,616,323,070.75
  5. Step 5: Solve for x
    x = 257,616,323,070.75/579,964.13
  6. Step 6: Final answer
    x = 444,193.55

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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.