Home / 664,491.10-996,834.45-215,062.60

Finding the Fourth Proportional to 664,491.10, 996,834.45 and 215,062.60

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Solution

The fourth proportional to 664,491.10, 996,834.45 and 215,062.60 is: 322,625.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,491.10 : 996,834.45 = 215,062.60 : x
  2. Step 2: Convert to fraction form
    664,491.10/996,834.45 = 215,062.60/x
  3. Step 3: Cross multiply
    664,491.10x = 996,834.45 × 215,062.60
  4. Step 4: Simplify right side
    664,491.10x = 214,381,808,586.57
  5. Step 5: Solve for x
    x = 214,381,808,586.57/664,491.10
  6. Step 6: Final answer
    x = 322,625.55

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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.