Home / 916,936.20-1,375,404.30-243,016.20

Finding the Fourth Proportional to 916,936.20, 1,375,404.30 and 243,016.20

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Solution

The fourth proportional to 916,936.20, 1,375,404.30 and 243,016.20 is: 364,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,936.20 : 1,375,404.30 = 243,016.20 : x
  2. Step 2: Convert to fraction form
    916,936.20/1,375,404.30 = 243,016.20/x
  3. Step 3: Cross multiply
    916,936.20x = 1,375,404.30 × 243,016.20
  4. Step 4: Simplify right side
    916,936.20x = 334,245,526,449.66
  5. Step 5: Solve for x
    x = 334,245,526,449.66/916,936.20
  6. Step 6: Final answer
    x = 364,524.30

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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.