Home / 823,861.62-1,235,925.68-255,109.01

Finding the Fourth Proportional to 823,861.62, 1,235,925.68 and 255,109.01

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Solution

The fourth proportional to 823,861.62, 1,235,925.68 and 255,109.01 is: 382,704.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,861.62 : 1,235,925.68 = 255,109.01 : x
  2. Step 2: Convert to fraction form
    823,861.62/1,235,925.68 = 255,109.01/x
  3. Step 3: Cross multiply
    823,861.62x = 1,235,925.68 × 255,109.01
  4. Step 4: Simplify right side
    823,861.62x = 315,295,769,203.20
  5. Step 5: Solve for x
    x = 315,295,769,203.20/823,861.62
  6. Step 6: Final answer
    x = 382,704.77

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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.