Home / 460,391.82-690,406.29-223,664.46

Finding the Fourth Proportional to 460,391.82, 690,406.29 and 223,664.46

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Solution

The fourth proportional to 460,391.82, 690,406.29 and 223,664.46 is: 335,408.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,391.82 : 690,406.29 = 223,664.46 : x
  2. Step 2: Convert to fraction form
    460,391.82/690,406.29 = 223,664.46/x
  3. Step 3: Cross multiply
    460,391.82x = 690,406.29 × 223,664.46
  4. Step 4: Simplify right side
    460,391.82x = 154,419,350,033.45
  5. Step 5: Solve for x
    x = 154,419,350,033.45/460,391.82
  6. Step 6: Final answer
    x = 335,408.54

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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.