Home / 789,860.20-1,183,040.70-649,892.20

Finding the Fourth Proportional to 789,860.20, 1,183,040.70 and 649,892.20

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Solution

The fourth proportional to 789,860.20, 1,183,040.70 and 649,892.20 is: 973,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,860.20 : 1,183,040.70 = 649,892.20 : x
  2. Step 2: Convert to fraction form
    789,860.20/1,183,040.70 = 649,892.20/x
  3. Step 3: Cross multiply
    789,860.20x = 1,183,040.70 × 649,892.20
  4. Step 4: Simplify right side
    789,860.20x = 768,848,923,212.54
  5. Step 5: Solve for x
    x = 768,848,923,212.54/789,860.20
  6. Step 6: Final answer
    x = 973,398.74

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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.