Home / 724,242.37-1,086,405.04-191,749.54

Finding the Fourth Proportional to 724,242.37, 1,086,405.04 and 191,749.54

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Solution

The fourth proportional to 724,242.37, 1,086,405.04 and 191,749.54 is: 287,635.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,242.37 : 1,086,405.04 = 191,749.54 : x
  2. Step 2: Convert to fraction form
    724,242.37/1,086,405.04 = 191,749.54/x
  3. Step 3: Cross multiply
    724,242.37x = 1,086,405.04 × 191,749.54
  4. Step 4: Simplify right side
    724,242.37x = 208,317,661,241.66
  5. Step 5: Solve for x
    x = 208,317,661,241.66/724,242.37
  6. Step 6: Final answer
    x = 287,635.29

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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.