Home / 823,971.30-1,235,466.09-255,183.90

Finding the Fourth Proportional to 823,971.30, 1,235,466.09 and 255,183.90

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Solution

The fourth proportional to 823,971.30, 1,235,466.09 and 255,183.90 is: 382,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,971.30 : 1,235,466.09 = 255,183.90 : x
  2. Step 2: Convert to fraction form
    823,971.30/1,235,466.09 = 255,183.90/x
  3. Step 3: Cross multiply
    823,971.30x = 1,235,466.09 × 255,183.90
  4. Step 4: Simplify right side
    823,971.30x = 315,271,055,163.95
  5. Step 5: Solve for x
    x = 315,271,055,163.95/823,971.30
  6. Step 6: Final answer
    x = 382,623.83

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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.