Home / 885,067.28-1,327,601.16-220,219.28

Finding the Fourth Proportional to 885,067.28, 1,327,601.16 and 220,219.28

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Solution

The fourth proportional to 885,067.28, 1,327,601.16 and 220,219.28 is: 330,328.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,067.28 : 1,327,601.16 = 220,219.28 : x
  2. Step 2: Convert to fraction form
    885,067.28/1,327,601.16 = 220,219.28/x
  3. Step 3: Cross multiply
    885,067.28x = 1,327,601.16 × 220,219.28
  4. Step 4: Simplify right side
    885,067.28x = 292,363,371,582.37
  5. Step 5: Solve for x
    x = 292,363,371,582.37/885,067.28
  6. Step 6: Final answer
    x = 330,328.98

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Half scale
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Double scale
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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.