Home / 705,250.70-1,057,873.73-255,970.97

Finding the Fourth Proportional to 705,250.70, 1,057,873.73 and 255,970.97

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Solution

The fourth proportional to 705,250.70, 1,057,873.73 and 255,970.97 is: 383,955.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,250.70 : 1,057,873.73 = 255,970.97 : x
  2. Step 2: Convert to fraction form
    705,250.70/1,057,873.73 = 255,970.97/x
  3. Step 3: Cross multiply
    705,250.70x = 1,057,873.73 × 255,970.97
  4. Step 4: Simplify right side
    705,250.70x = 270,784,958,236.40
  5. Step 5: Solve for x
    x = 270,784,958,236.40/705,250.70
  6. Step 6: Final answer
    x = 383,955.61

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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.