Home / 494,092.19-681,596.82-312,498.29

Finding the Fourth Proportional to 494,092.19, 681,596.82 and 312,498.29

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Solution

The fourth proportional to 494,092.19, 681,596.82 and 312,498.29 is: 431,089.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,092.19 : 681,596.82 = 312,498.29 : x
  2. Step 2: Convert to fraction form
    494,092.19/681,596.82 = 312,498.29/x
  3. Step 3: Cross multiply
    494,092.19x = 681,596.82 × 312,498.29
  4. Step 4: Simplify right side
    494,092.19x = 212,997,840,719.44
  5. Step 5: Solve for x
    x = 212,997,840,719.44/494,092.19
  6. Step 6: Final answer
    x = 431,089.27

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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.