Home / 723,998.20-1,086,420.66-303,238.84

Finding the Fourth Proportional to 723,998.20, 1,086,420.66 and 303,238.84

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Solution

The fourth proportional to 723,998.20, 1,086,420.66 and 303,238.84 is: 455,035.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,998.20 : 1,086,420.66 = 303,238.84 : x
  2. Step 2: Convert to fraction form
    723,998.20/1,086,420.66 = 303,238.84/x
  3. Step 3: Cross multiply
    723,998.20x = 1,086,420.66 × 303,238.84
  4. Step 4: Simplify right side
    723,998.20x = 329,444,940,690.43
  5. Step 5: Solve for x
    x = 329,444,940,690.43/723,998.20
  6. Step 6: Final answer
    x = 455,035.58

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Double scale
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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.