Home / 500,462.24-690,638.18-271,021.29

Finding the Fourth Proportional to 500,462.24, 690,638.18 and 271,021.29

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Solution

The fourth proportional to 500,462.24, 690,638.18 and 271,021.29 is: 374,009.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,462.24 : 690,638.18 = 271,021.29 : x
  2. Step 2: Convert to fraction form
    500,462.24/690,638.18 = 271,021.29/x
  3. Step 3: Cross multiply
    500,462.24x = 690,638.18 × 271,021.29
  4. Step 4: Simplify right side
    500,462.24x = 187,177,649,111.75
  5. Step 5: Solve for x
    x = 187,177,649,111.75/500,462.24
  6. Step 6: Final answer
    x = 374,009.54

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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.