Home / 530,764.20-796,146.30-320,293.80

Finding the Fourth Proportional to 530,764.20, 796,146.30 and 320,293.80

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Solution

The fourth proportional to 530,764.20, 796,146.30 and 320,293.80 is: 480,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,764.20 : 796,146.30 = 320,293.80 : x
  2. Step 2: Convert to fraction form
    530,764.20/796,146.30 = 320,293.80/x
  3. Step 3: Cross multiply
    530,764.20x = 796,146.30 × 320,293.80
  4. Step 4: Simplify right side
    530,764.20x = 255,000,723,782.94
  5. Step 5: Solve for x
    x = 255,000,723,782.94/530,764.20
  6. Step 6: Final answer
    x = 480,440.70

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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.