Home / 827,139.70-1,240,709.55-295,261.30

Finding the Fourth Proportional to 827,139.70, 1,240,709.55 and 295,261.30

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Solution

The fourth proportional to 827,139.70, 1,240,709.55 and 295,261.30 is: 442,891.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,139.70 : 1,240,709.55 = 295,261.30 : x
  2. Step 2: Convert to fraction form
    827,139.70/1,240,709.55 = 295,261.30/x
  3. Step 3: Cross multiply
    827,139.70x = 1,240,709.55 × 295,261.30
  4. Step 4: Simplify right side
    827,139.70x = 366,333,514,655.42
  5. Step 5: Solve for x
    x = 366,333,514,655.42/827,139.70
  6. Step 6: Final answer
    x = 442,891.95

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Double scale
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Similar ratio
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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.