Home / 500,551.45-690,756.81-271,103.41

Finding the Fourth Proportional to 500,551.45, 690,756.81 and 271,103.41

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Solution

The fourth proportional to 500,551.45, 690,756.81 and 271,103.41 is: 374,120.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,551.45 : 690,756.81 = 271,103.41 : x
  2. Step 2: Convert to fraction form
    500,551.45/690,756.81 = 271,103.41/x
  3. Step 3: Cross multiply
    500,551.45x = 690,756.81 × 271,103.41
  4. Step 4: Simplify right side
    500,551.45x = 187,266,524,157.98
  5. Step 5: Solve for x
    x = 187,266,524,157.98/500,551.45
  6. Step 6: Final answer
    x = 374,120.43

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1.5x scale

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.