Home / 789,183.44-1,088,815.20-482,940.80

Finding the Fourth Proportional to 789,183.44, 1,088,815.20 and 482,940.80

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Solution

The fourth proportional to 789,183.44, 1,088,815.20 and 482,940.80 is: 666,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,183.44 : 1,088,815.20 = 482,940.80 : x
  2. Step 2: Convert to fraction form
    789,183.44/1,088,815.20 = 482,940.80/x
  3. Step 3: Cross multiply
    789,183.44x = 1,088,815.20 × 482,940.80
  4. Step 4: Simplify right side
    789,183.44x = 525,833,283,740.16
  5. Step 5: Solve for x
    x = 525,833,283,740.16/789,183.44
  6. Step 6: Final answer
    x = 666,300.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.