Home / 694,677.80-1,042,016.70-251,388.20

Finding the Fourth Proportional to 694,677.80, 1,042,016.70 and 251,388.20

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Solution

The fourth proportional to 694,677.80, 1,042,016.70 and 251,388.20 is: 377,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,677.80 : 1,042,016.70 = 251,388.20 : x
  2. Step 2: Convert to fraction form
    694,677.80/1,042,016.70 = 251,388.20/x
  3. Step 3: Cross multiply
    694,677.80x = 1,042,016.70 × 251,388.20
  4. Step 4: Simplify right side
    694,677.80x = 261,950,702,582.94
  5. Step 5: Solve for x
    x = 261,950,702,582.94/694,677.80
  6. Step 6: Final answer
    x = 377,082.30

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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.