Home / 843,339.94-1,265,141.43-274,586.76

Finding the Fourth Proportional to 843,339.94, 1,265,141.43 and 274,586.76

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Solution

The fourth proportional to 843,339.94, 1,265,141.43 and 274,586.76 is: 411,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,339.94 : 1,265,141.43 = 274,586.76 : x
  2. Step 2: Convert to fraction form
    843,339.94/1,265,141.43 = 274,586.76/x
  3. Step 3: Cross multiply
    843,339.94x = 1,265,141.43 × 274,586.76
  4. Step 4: Simplify right side
    843,339.94x = 347,391,086,205.47
  5. Step 5: Solve for x
    x = 347,391,086,205.47/843,339.94
  6. Step 6: Final answer
    x = 411,922.96

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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.