Home / 407,006.05-561,628.33-225,714.82

Finding the Fourth Proportional to 407,006.05, 561,628.33 and 225,714.82

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Solution

The fourth proportional to 407,006.05, 561,628.33 and 225,714.82 is: 311,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,006.05 : 561,628.33 = 225,714.82 : x
  2. Step 2: Convert to fraction form
    407,006.05/561,628.33 = 225,714.82/x
  3. Step 3: Cross multiply
    407,006.05x = 561,628.33 × 225,714.82
  4. Step 4: Simplify right side
    407,006.05x = 126,767,837,412.85
  5. Step 5: Solve for x
    x = 126,767,837,412.85/407,006.05
  6. Step 6: Final answer
    x = 311,464.26

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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.