Home / 407,029.10-561,734.67-225,799.43

Finding the Fourth Proportional to 407,029.10, 561,734.67 and 225,799.43

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Solution

The fourth proportional to 407,029.10, 561,734.67 and 225,799.43 is: 311,622.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,029.10 : 561,734.67 = 225,799.43 : x
  2. Step 2: Convert to fraction form
    407,029.10/561,734.67 = 225,799.43/x
  3. Step 3: Cross multiply
    407,029.10x = 561,734.67 × 225,799.43
  4. Step 4: Simplify right side
    407,029.10x = 126,839,368,297.24
  5. Step 5: Solve for x
    x = 126,839,368,297.24/407,029.10
  6. Step 6: Final answer
    x = 311,622.36

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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.