Home / 920,861.10-1,380,954.87-351,960.89

Finding the Fourth Proportional to 920,861.10, 1,380,954.87 and 351,960.89

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Solution

The fourth proportional to 920,861.10, 1,380,954.87 and 351,960.89 is: 527,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,861.10 : 1,380,954.87 = 351,960.89 : x
  2. Step 2: Convert to fraction form
    920,861.10/1,380,954.87 = 351,960.89/x
  3. Step 3: Cross multiply
    920,861.10x = 1,380,954.87 × 351,960.89
  4. Step 4: Simplify right side
    920,861.10x = 486,042,098,190.26
  5. Step 5: Solve for x
    x = 486,042,098,190.26/920,861.10
  6. Step 6: Final answer
    x = 527,812.61

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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.