Home / 724,238.43-1,086,399.16-191,745.62

Finding the Fourth Proportional to 724,238.43, 1,086,399.16 and 191,745.62

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Solution

The fourth proportional to 724,238.43, 1,086,399.16 and 191,745.62 is: 287,629.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,238.43 : 1,086,399.16 = 191,745.62 : x
  2. Step 2: Convert to fraction form
    724,238.43/1,086,399.16 = 191,745.62/x
  3. Step 3: Cross multiply
    724,238.43x = 1,086,399.16 × 191,745.62
  4. Step 4: Simplify right side
    724,238.43x = 208,312,285,853.88
  5. Step 5: Solve for x
    x = 208,312,285,853.88/724,238.43
  6. Step 6: Final answer
    x = 287,629.43

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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.