Home / 884,136.20-1,326,204.30-285,116.90

Finding the Fourth Proportional to 884,136.20, 1,326,204.30 and 285,116.90

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Solution

The fourth proportional to 884,136.20, 1,326,204.30 and 285,116.90 is: 427,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,136.20 : 1,326,204.30 = 285,116.90 : x
  2. Step 2: Convert to fraction form
    884,136.20/1,326,204.30 = 285,116.90/x
  3. Step 3: Cross multiply
    884,136.20x = 1,326,204.30 × 285,116.90
  4. Step 4: Simplify right side
    884,136.20x = 378,123,258,782.67
  5. Step 5: Solve for x
    x = 378,123,258,782.67/884,136.20
  6. Step 6: Final answer
    x = 427,675.35

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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.