Home / 853,327.55-1,279,982.55-493,269.30

Finding the Fourth Proportional to 853,327.55, 1,279,982.55 and 493,269.30

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Solution

The fourth proportional to 853,327.55, 1,279,982.55 and 493,269.30 is: 739,898.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,327.55 : 1,279,982.55 = 493,269.30 : x
  2. Step 2: Convert to fraction form
    853,327.55/1,279,982.55 = 493,269.30/x
  3. Step 3: Cross multiply
    853,327.55x = 1,279,982.55 × 493,269.30
  4. Step 4: Simplify right side
    853,327.55x = 631,376,096,450.72
  5. Step 5: Solve for x
    x = 631,376,096,450.72/853,327.55
  6. Step 6: Final answer
    x = 739,898.88

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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.