Home / 500,380.92-690,524.58-270,938.43

Finding the Fourth Proportional to 500,380.92, 690,524.58 and 270,938.43

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Solution

The fourth proportional to 500,380.92, 690,524.58 and 270,938.43 is: 373,894.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,380.92 : 690,524.58 = 270,938.43 : x
  2. Step 2: Convert to fraction form
    500,380.92/690,524.58 = 270,938.43/x
  3. Step 3: Cross multiply
    500,380.92x = 690,524.58 × 270,938.43
  4. Step 4: Simplify right side
    500,380.92x = 187,089,645,581.61
  5. Step 5: Solve for x
    x = 187,089,645,581.61/500,380.92
  6. Step 6: Final answer
    x = 373,894.44

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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.