Home / 901,147.05-1,351,548.30-270,060.86

Finding the Fourth Proportional to 901,147.05, 1,351,548.30 and 270,060.86

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Solution

The fourth proportional to 901,147.05, 1,351,548.30 and 270,060.86 is: 405,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,147.05 : 1,351,548.30 = 270,060.86 : x
  2. Step 2: Convert to fraction form
    901,147.05/1,351,548.30 = 270,060.86/x
  3. Step 3: Cross multiply
    901,147.05x = 1,351,548.30 × 270,060.86
  4. Step 4: Simplify right side
    901,147.05x = 365,000,289,471.80
  5. Step 5: Solve for x
    x = 365,000,289,471.80/901,147.05
  6. Step 6: Final answer
    x = 405,039.65

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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.