Home / 637,082.72-956,215.36-321,761.04

Finding the Fourth Proportional to 637,082.72, 956,215.36 and 321,761.04

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Solution

The fourth proportional to 637,082.72, 956,215.36 and 321,761.04 is: 482,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,082.72 : 956,215.36 = 321,761.04 : x
  2. Step 2: Convert to fraction form
    637,082.72/956,215.36 = 321,761.04/x
  3. Step 3: Cross multiply
    637,082.72x = 956,215.36 × 321,761.04
  4. Step 4: Simplify right side
    637,082.72x = 307,672,848,697.57
  5. Step 5: Solve for x
    x = 307,672,848,697.57/637,082.72
  6. Step 6: Final answer
    x = 482,940.19

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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.