Home / 794,622.80-1,191,012.60-320,997.20

Finding the Fourth Proportional to 794,622.80, 1,191,012.60 and 320,997.20

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Solution

The fourth proportional to 794,622.80, 1,191,012.60 and 320,997.20 is: 481,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,622.80 : 1,191,012.60 = 320,997.20 : x
  2. Step 2: Convert to fraction form
    794,622.80/1,191,012.60 = 320,997.20/x
  3. Step 3: Cross multiply
    794,622.80x = 1,191,012.60 × 320,997.20
  4. Step 4: Simplify right side
    794,622.80x = 382,311,709,764.72
  5. Step 5: Solve for x
    x = 382,311,709,764.72/794,622.80
  6. Step 6: Final answer
    x = 481,123.51

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1.5x scale

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.