Home / 854,059.72-1,280,654.14-285,236.04

Finding the Fourth Proportional to 854,059.72, 1,280,654.14 and 285,236.04

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Solution

The fourth proportional to 854,059.72, 1,280,654.14 and 285,236.04 is: 427,708.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,059.72 : 1,280,654.14 = 285,236.04 : x
  2. Step 2: Convert to fraction form
    854,059.72/1,280,654.14 = 285,236.04/x
  3. Step 3: Cross multiply
    854,059.72x = 1,280,654.14 × 285,236.04
  4. Step 4: Simplify right side
    854,059.72x = 365,288,715,503.21
  5. Step 5: Solve for x
    x = 365,288,715,503.21/854,059.72
  6. Step 6: Final answer
    x = 427,708.63

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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.