Home / 910,863.44-1,366,299.82-378,385.06

Finding the Fourth Proportional to 910,863.44, 1,366,299.82 and 378,385.06

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Solution

The fourth proportional to 910,863.44, 1,366,299.82 and 378,385.06 is: 567,579.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,863.44 : 1,366,299.82 = 378,385.06 : x
  2. Step 2: Convert to fraction form
    910,863.44/1,366,299.82 = 378,385.06/x
  3. Step 3: Cross multiply
    910,863.44x = 1,366,299.82 × 378,385.06
  4. Step 4: Simplify right side
    910,863.44x = 516,987,439,368.69
  5. Step 5: Solve for x
    x = 516,987,439,368.69/910,863.44
  6. Step 6: Final answer
    x = 567,579.53

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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.