Home / 794,156.20-1,191,234.30-420,908.20

Finding the Fourth Proportional to 794,156.20, 1,191,234.30 and 420,908.20

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Solution

The fourth proportional to 794,156.20, 1,191,234.30 and 420,908.20 is: 631,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,156.20 : 1,191,234.30 = 420,908.20 : x
  2. Step 2: Convert to fraction form
    794,156.20/1,191,234.30 = 420,908.20/x
  3. Step 3: Cross multiply
    794,156.20x = 1,191,234.30 × 420,908.20
  4. Step 4: Simplify right side
    794,156.20x = 501,400,284,991.26
  5. Step 5: Solve for x
    x = 501,400,284,991.26/794,156.20
  6. Step 6: Final answer
    x = 631,362.30

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Double scale
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Similar ratio
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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.