Home / 827,383.62-1,240,768.89-294,763.26

Finding the Fourth Proportional to 827,383.62, 1,240,768.89 and 294,763.26

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Solution

The fourth proportional to 827,383.62, 1,240,768.89 and 294,763.26 is: 442,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,383.62 : 1,240,768.89 = 294,763.26 : x
  2. Step 2: Convert to fraction form
    827,383.62/1,240,768.89 = 294,763.26/x
  3. Step 3: Cross multiply
    827,383.62x = 1,240,768.89 × 294,763.26
  4. Step 4: Simplify right side
    827,383.62x = 365,733,082,922.98
  5. Step 5: Solve for x
    x = 365,733,082,922.98/827,383.62
  6. Step 6: Final answer
    x = 442,035.68

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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.