Home / 494,159.10-681,430.39-422,775.42

Finding the Fourth Proportional to 494,159.10, 681,430.39 and 422,775.42

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Solution

The fourth proportional to 494,159.10, 681,430.39 and 422,775.42 is: 582,994.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,159.10 : 681,430.39 = 422,775.42 : x
  2. Step 2: Convert to fraction form
    494,159.10/681,430.39 = 422,775.42/x
  3. Step 3: Cross multiply
    494,159.10x = 681,430.39 × 422,775.42
  4. Step 4: Simplify right side
    494,159.10x = 288,092,019,333.01
  5. Step 5: Solve for x
    x = 288,092,019,333.01/494,159.10
  6. Step 6: Final answer
    x = 582,994.46

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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.