Home / 499,832.91-689,752.26-285,042.11

Finding the Fourth Proportional to 499,832.91, 689,752.26 and 285,042.11

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Solution

The fourth proportional to 499,832.91, 689,752.26 and 285,042.11 is: 393,348.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,832.91 : 689,752.26 = 285,042.11 : x
  2. Step 2: Convert to fraction form
    499,832.91/689,752.26 = 285,042.11/x
  3. Step 3: Cross multiply
    499,832.91x = 689,752.26 × 285,042.11
  4. Step 4: Simplify right side
    499,832.91x = 196,608,436,118.91
  5. Step 5: Solve for x
    x = 196,608,436,118.91/499,832.91
  6. Step 6: Final answer
    x = 393,348.32

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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.