Home / 500,175.22-690,241.76-273,820.72

Finding the Fourth Proportional to 500,175.22, 690,241.76 and 273,820.72

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Solution

The fourth proportional to 500,175.22, 690,241.76 and 273,820.72 is: 377,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,175.22 : 690,241.76 = 273,820.72 : x
  2. Step 2: Convert to fraction form
    500,175.22/690,241.76 = 273,820.72/x
  3. Step 3: Cross multiply
    500,175.22x = 690,241.76 × 273,820.72
  4. Step 4: Simplify right side
    500,175.22x = 189,002,495,697.27
  5. Step 5: Solve for x
    x = 189,002,495,697.27/500,175.22
  6. Step 6: Final answer
    x = 377,872.57

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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.