Home / 579,946.58-800,305.25-321,834.79

Finding the Fourth Proportional to 579,946.58, 800,305.25 and 321,834.79

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Solution

The fourth proportional to 579,946.58, 800,305.25 and 321,834.79 is: 444,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,946.58 : 800,305.25 = 321,834.79 : x
  2. Step 2: Convert to fraction form
    579,946.58/800,305.25 = 321,834.79/x
  3. Step 3: Cross multiply
    579,946.58x = 800,305.25 × 321,834.79
  4. Step 4: Simplify right side
    579,946.58x = 257,566,066,458.95
  5. Step 5: Solve for x
    x = 257,566,066,458.95/579,946.58
  6. Step 6: Final answer
    x = 444,120.33

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1.5x scale

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.