Home / 705,429.80-1,058,144.70-206,793.80

Finding the Fourth Proportional to 705,429.80, 1,058,144.70 and 206,793.80

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Solution

The fourth proportional to 705,429.80, 1,058,144.70 and 206,793.80 is: 310,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,429.80 : 1,058,144.70 = 206,793.80 : x
  2. Step 2: Convert to fraction form
    705,429.80/1,058,144.70 = 206,793.80/x
  3. Step 3: Cross multiply
    705,429.80x = 1,058,144.70 × 206,793.80
  4. Step 4: Simplify right side
    705,429.80x = 218,817,763,462.86
  5. Step 5: Solve for x
    x = 218,817,763,462.86/705,429.80
  6. Step 6: Final answer
    x = 310,190.70

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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.