Home / 823,853.09-1,235,912.91-255,100.50

Finding the Fourth Proportional to 823,853.09, 1,235,912.91 and 255,100.50

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Solution

The fourth proportional to 823,853.09, 1,235,912.91 and 255,100.50 is: 382,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,853.09 : 1,235,912.91 = 255,100.50 : x
  2. Step 2: Convert to fraction form
    823,853.09/1,235,912.91 = 255,100.50/x
  3. Step 3: Cross multiply
    823,853.09x = 1,235,912.91 × 255,100.50
  4. Step 4: Simplify right side
    823,853.09x = 315,282,001,297.46
  5. Step 5: Solve for x
    x = 315,282,001,297.46/823,853.09
  6. Step 6: Final answer
    x = 382,692.02

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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.