Home / 711,994.89-1,067,856.26-213,358.89

Finding the Fourth Proportional to 711,994.89, 1,067,856.26 and 213,358.89

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Solution

The fourth proportional to 711,994.89, 1,067,856.26 and 213,358.89 is: 319,997.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,994.89 : 1,067,856.26 = 213,358.89 : x
  2. Step 2: Convert to fraction form
    711,994.89/1,067,856.26 = 213,358.89/x
  3. Step 3: Cross multiply
    711,994.89x = 1,067,856.26 × 213,358.89
  4. Step 4: Simplify right side
    711,994.89x = 227,836,625,246.36
  5. Step 5: Solve for x
    x = 227,836,625,246.36/711,994.89
  6. Step 6: Final answer
    x = 319,997.56

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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.