Home / 407,010.06-561,633.84-225,718.82

Finding the Fourth Proportional to 407,010.06, 561,633.84 and 225,718.82

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Solution

The fourth proportional to 407,010.06, 561,633.84 and 225,718.82 is: 311,469.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,010.06 : 561,633.84 = 225,718.82 : x
  2. Step 2: Convert to fraction form
    407,010.06/561,633.84 = 225,718.82/x
  3. Step 3: Cross multiply
    407,010.06x = 561,633.84 × 225,718.82
  4. Step 4: Simplify right side
    407,010.06x = 126,771,327,636.87
  5. Step 5: Solve for x
    x = 126,771,327,636.87/407,010.06
  6. Step 6: Final answer
    x = 311,469.76

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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.