Home / 885,337.20-1,328,005.80-220,489.20

Finding the Fourth Proportional to 885,337.20, 1,328,005.80 and 220,489.20

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Solution

The fourth proportional to 885,337.20, 1,328,005.80 and 220,489.20 is: 330,733.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,337.20 : 1,328,005.80 = 220,489.20 : x
  2. Step 2: Convert to fraction form
    885,337.20/1,328,005.80 = 220,489.20/x
  3. Step 3: Cross multiply
    885,337.20x = 1,328,005.80 × 220,489.20
  4. Step 4: Simplify right side
    885,337.20x = 292,810,936,437.36
  5. Step 5: Solve for x
    x = 292,810,936,437.36/885,337.20
  6. Step 6: Final answer
    x = 330,733.80

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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.