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Finding the Fourth Proportional to 574,079.21, 860,586.34 and 254,060.97

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Solution

The fourth proportional to 574,079.21, 860,586.34 and 254,060.97 is: 380,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,079.21 : 860,586.34 = 254,060.97 : x
  2. Step 2: Convert to fraction form
    574,079.21/860,586.34 = 254,060.97/x
  3. Step 3: Cross multiply
    574,079.21x = 860,586.34 × 254,060.97
  4. Step 4: Simplify right side
    574,079.21x = 218,641,400,309.15
  5. Step 5: Solve for x
    x = 218,641,400,309.15/574,079.21
  6. Step 6: Final answer
    x = 380,855.81

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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.