Home / 406,440.05-560,879.91-225,151.43

Finding the Fourth Proportional to 406,440.05, 560,879.91 and 225,151.43

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Solution

The fourth proportional to 406,440.05, 560,879.91 and 225,151.43 is: 310,704.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,440.05 : 560,879.91 = 225,151.43 : x
  2. Step 2: Convert to fraction form
    406,440.05/560,879.91 = 225,151.43/x
  3. Step 3: Cross multiply
    406,440.05x = 560,879.91 × 225,151.43
  4. Step 4: Simplify right side
    406,440.05x = 126,282,910,990.37
  5. Step 5: Solve for x
    x = 126,282,910,990.37/406,440.05
  6. Step 6: Final answer
    x = 310,704.89

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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.