Home / 789,408.15-1,183,931.12-220,829.52

Finding the Fourth Proportional to 789,408.15, 1,183,931.12 and 220,829.52

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Solution

The fourth proportional to 789,408.15, 1,183,931.12 and 220,829.52 is: 331,193.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,408.15 : 1,183,931.12 = 220,829.52 : x
  2. Step 2: Convert to fraction form
    789,408.15/1,183,931.12 = 220,829.52/x
  3. Step 3: Cross multiply
    789,408.15x = 1,183,931.12 × 220,829.52
  4. Step 4: Simplify right side
    789,408.15x = 261,446,939,838.52
  5. Step 5: Solve for x
    x = 261,446,939,838.52/789,408.15
  6. Step 6: Final answer
    x = 331,193.62

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1.5x scale

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.