Home / 479,407.40-718,924.20-179,724.46

Finding the Fourth Proportional to 479,407.40, 718,924.20 and 179,724.46

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Solution

The fourth proportional to 479,407.40, 718,924.20 and 179,724.46 is: 269,516.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,407.40 : 718,924.20 = 179,724.46 : x
  2. Step 2: Convert to fraction form
    479,407.40/718,924.20 = 179,724.46/x
  3. Step 3: Cross multiply
    479,407.40x = 718,924.20 × 179,724.46
  4. Step 4: Simplify right side
    479,407.40x = 129,208,260,031.31
  5. Step 5: Solve for x
    x = 129,208,260,031.31/479,407.40
  6. Step 6: Final answer
    x = 269,516.62

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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.