Home / 705,121.64-1,058,102.70-255,877.56

Finding the Fourth Proportional to 705,121.64, 1,058,102.70 and 255,877.56

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Solution

The fourth proportional to 705,121.64, 1,058,102.70 and 255,877.56 is: 383,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,121.64 : 1,058,102.70 = 255,877.56 : x
  2. Step 2: Convert to fraction form
    705,121.64/1,058,102.70 = 255,877.56/x
  3. Step 3: Cross multiply
    705,121.64x = 1,058,102.70 × 255,877.56
  4. Step 4: Simplify right side
    705,121.64x = 270,744,737,105.41
  5. Step 5: Solve for x
    x = 270,744,737,105.41/705,121.64
  6. Step 6: Final answer
    x = 383,968.84

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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.