Home / 920,604.75-1,380,924.41-255,774.03

Finding the Fourth Proportional to 920,604.75, 1,380,924.41 and 255,774.03

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Solution

The fourth proportional to 920,604.75, 1,380,924.41 and 255,774.03 is: 383,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,604.75 : 1,380,924.41 = 255,774.03 : x
  2. Step 2: Convert to fraction form
    920,604.75/1,380,924.41 = 255,774.03/x
  3. Step 3: Cross multiply
    920,604.75x = 1,380,924.41 × 255,774.03
  4. Step 4: Simplify right side
    920,604.75x = 353,204,600,192.20
  5. Step 5: Solve for x
    x = 353,204,600,192.20/920,604.75
  6. Step 6: Final answer
    x = 383,665.85

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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.