Home / 413,561.22-620,345.10-226,470.66

Finding the Fourth Proportional to 413,561.22, 620,345.10 and 226,470.66

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Solution

The fourth proportional to 413,561.22, 620,345.10 and 226,470.66 is: 339,707.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,561.22 : 620,345.10 = 226,470.66 : x
  2. Step 2: Convert to fraction form
    413,561.22/620,345.10 = 226,470.66/x
  3. Step 3: Cross multiply
    413,561.22x = 620,345.10 × 226,470.66
  4. Step 4: Simplify right side
    413,561.22x = 140,489,964,224.77
  5. Step 5: Solve for x
    x = 140,489,964,224.77/413,561.22
  6. Step 6: Final answer
    x = 339,707.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.