Home / 494,941.92-683,670.96-379,520.16

Finding the Fourth Proportional to 494,941.92, 683,670.96 and 379,520.16

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Solution

The fourth proportional to 494,941.92, 683,670.96 and 379,520.16 is: 524,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,941.92 : 683,670.96 = 379,520.16 : x
  2. Step 2: Convert to fraction form
    494,941.92/683,670.96 = 379,520.16/x
  3. Step 3: Cross multiply
    494,941.92x = 683,670.96 × 379,520.16
  4. Step 4: Simplify right side
    494,941.92x = 259,466,912,126.55
  5. Step 5: Solve for x
    x = 259,466,912,126.55/494,941.92
  6. Step 6: Final answer
    x = 524,237.09

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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.