Home / 899,383.21-1,241,144.23-531,992.32

Finding the Fourth Proportional to 899,383.21, 1,241,144.23 and 531,992.32

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Solution

The fourth proportional to 899,383.21, 1,241,144.23 and 531,992.32 is: 734,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,383.21 : 1,241,144.23 = 531,992.32 : x
  2. Step 2: Convert to fraction form
    899,383.21/1,241,144.23 = 531,992.32/x
  3. Step 3: Cross multiply
    899,383.21x = 1,241,144.23 × 531,992.32
  4. Step 4: Simplify right side
    899,383.21x = 660,279,198,372.31
  5. Step 5: Solve for x
    x = 660,279,198,372.31/899,383.21
  6. Step 6: Final answer
    x = 734,146.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.