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Finding the Fourth Proportional to 479,410.68, 718,929.08 and 179,727.90

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Solution

The fourth proportional to 479,410.68, 718,929.08 and 179,727.90 is: 269,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,410.68 : 718,929.08 = 179,727.90 : x
  2. Step 2: Convert to fraction form
    479,410.68/718,929.08 = 179,727.90/x
  3. Step 3: Cross multiply
    479,410.68x = 718,929.08 × 179,727.90
  4. Step 4: Simplify right side
    479,410.68x = 129,211,613,797.33
  5. Step 5: Solve for x
    x = 129,211,613,797.33/479,410.68
  6. Step 6: Final answer
    x = 269,521.77

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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.