Home / 794,621.80-1,191,011.10-320,996.20

Finding the Fourth Proportional to 794,621.80, 1,191,011.10 and 320,996.20

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Solution

The fourth proportional to 794,621.80, 1,191,011.10 and 320,996.20 is: 481,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,621.80 : 1,191,011.10 = 320,996.20 : x
  2. Step 2: Convert to fraction form
    794,621.80/1,191,011.10 = 320,996.20/x
  3. Step 3: Cross multiply
    794,621.80x = 1,191,011.10 × 320,996.20
  4. Step 4: Simplify right side
    794,621.80x = 382,310,037,257.82
  5. Step 5: Solve for x
    x = 382,310,037,257.82/794,621.80
  6. Step 6: Final answer
    x = 481,122.01

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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.