Home / 778,891.20-1,168,336.80-335,659.20

Finding the Fourth Proportional to 778,891.20, 1,168,336.80 and 335,659.20

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Solution

The fourth proportional to 778,891.20, 1,168,336.80 and 335,659.20 is: 503,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,891.20 : 1,168,336.80 = 335,659.20 : x
  2. Step 2: Convert to fraction form
    778,891.20/1,168,336.80 = 335,659.20/x
  3. Step 3: Cross multiply
    778,891.20x = 1,168,336.80 × 335,659.20
  4. Step 4: Simplify right side
    778,891.20x = 392,162,995,618.56
  5. Step 5: Solve for x
    x = 392,162,995,618.56/778,891.20
  6. Step 6: Final answer
    x = 503,488.80

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Similar ratio
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1.5x scale

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.