Home / 839,747.70-1,259,624.78-255,513.03

Finding the Fourth Proportional to 839,747.70, 1,259,624.78 and 255,513.03

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Solution

The fourth proportional to 839,747.70, 1,259,624.78 and 255,513.03 is: 383,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,747.70 : 1,259,624.78 = 255,513.03 : x
  2. Step 2: Convert to fraction form
    839,747.70/1,259,624.78 = 255,513.03/x
  3. Step 3: Cross multiply
    839,747.70x = 1,259,624.78 × 255,513.03
  4. Step 4: Simplify right side
    839,747.70x = 321,850,544,200.88
  5. Step 5: Solve for x
    x = 321,850,544,200.88/839,747.70
  6. Step 6: Final answer
    x = 383,270.53

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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.