Home / 705,251.70-1,057,875.22-255,971.97

Finding the Fourth Proportional to 705,251.70, 1,057,875.22 and 255,971.97

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Solution

The fourth proportional to 705,251.70, 1,057,875.22 and 255,971.97 is: 383,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,251.70 : 1,057,875.22 = 255,971.97 : x
  2. Step 2: Convert to fraction form
    705,251.70/1,057,875.22 = 255,971.97/x
  3. Step 3: Cross multiply
    705,251.70x = 1,057,875.22 × 255,971.97
  4. Step 4: Simplify right side
    705,251.70x = 270,786,404,077.58
  5. Step 5: Solve for x
    x = 270,786,404,077.58/705,251.70
  6. Step 6: Final answer
    x = 383,957.11

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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.