Home / 407,286.92-562,028.94-225,987.36

Finding the Fourth Proportional to 407,286.92, 562,028.94 and 225,987.36

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Solution

The fourth proportional to 407,286.92, 562,028.94 and 225,987.36 is: 311,847.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,286.92 : 562,028.94 = 225,987.36 : x
  2. Step 2: Convert to fraction form
    407,286.92/562,028.94 = 225,987.36/x
  3. Step 3: Cross multiply
    407,286.92x = 562,028.94 × 225,987.36
  4. Step 4: Simplify right side
    407,286.92x = 127,011,436,394.20
  5. Step 5: Solve for x
    x = 127,011,436,394.20/407,286.92
  6. Step 6: Final answer
    x = 311,847.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.