Home / 789,180.77-1,183,773.65-220,558.13

Finding the Fourth Proportional to 789,180.77, 1,183,773.65 and 220,558.13

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Solution

The fourth proportional to 789,180.77, 1,183,773.65 and 220,558.13 is: 330,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,180.77 : 1,183,773.65 = 220,558.13 : x
  2. Step 2: Convert to fraction form
    789,180.77/1,183,773.65 = 220,558.13/x
  3. Step 3: Cross multiply
    789,180.77x = 1,183,773.65 × 220,558.13
  4. Step 4: Simplify right side
    789,180.77x = 261,090,899,890.90
  5. Step 5: Solve for x
    x = 261,090,899,890.90/789,180.77
  6. Step 6: Final answer
    x = 330,837.89

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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.