Home / 851,579.63-1,277,151.91-252,400.66

Finding the Fourth Proportional to 851,579.63, 1,277,151.91 and 252,400.66

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Solution

The fourth proportional to 851,579.63, 1,277,151.91 and 252,400.66 is: 378,536.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,579.63 : 1,277,151.91 = 252,400.66 : x
  2. Step 2: Convert to fraction form
    851,579.63/1,277,151.91 = 252,400.66/x
  3. Step 3: Cross multiply
    851,579.63x = 1,277,151.91 × 252,400.66
  4. Step 4: Simplify right side
    851,579.63x = 322,353,981,180.38
  5. Step 5: Solve for x
    x = 322,353,981,180.38/851,579.63
  6. Step 6: Final answer
    x = 378,536.51

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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.