Home / 747,912.83-1,121,573.97-274,339.85

Finding the Fourth Proportional to 747,912.83, 1,121,573.97 and 274,339.85

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Solution

The fourth proportional to 747,912.83, 1,121,573.97 and 274,339.85 is: 411,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,912.83 : 1,121,573.97 = 274,339.85 : x
  2. Step 2: Convert to fraction form
    747,912.83/1,121,573.97 = 274,339.85/x
  3. Step 3: Cross multiply
    747,912.83x = 1,121,573.97 × 274,339.85
  4. Step 4: Simplify right side
    747,912.83x = 307,692,429,085.84
  5. Step 5: Solve for x
    x = 307,692,429,085.84/747,912.83
  6. Step 6: Final answer
    x = 411,401.46

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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.