Home / 885,644.20-1,328,466.30-254,578.60

Finding the Fourth Proportional to 885,644.20, 1,328,466.30 and 254,578.60

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Solution

The fourth proportional to 885,644.20, 1,328,466.30 and 254,578.60 is: 381,867.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,644.20 : 1,328,466.30 = 254,578.60 : x
  2. Step 2: Convert to fraction form
    885,644.20/1,328,466.30 = 254,578.60/x
  3. Step 3: Cross multiply
    885,644.20x = 1,328,466.30 × 254,578.60
  4. Step 4: Simplify right side
    885,644.20x = 338,199,090,801.18
  5. Step 5: Solve for x
    x = 338,199,090,801.18/885,644.20
  6. Step 6: Final answer
    x = 381,867.90

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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.