Home / 789,515.82-1,183,764.44-309,792.08

Finding the Fourth Proportional to 789,515.82, 1,183,764.44 and 309,792.08

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Solution

The fourth proportional to 789,515.82, 1,183,764.44 and 309,792.08 is: 464,488.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,515.82 : 1,183,764.44 = 309,792.08 : x
  2. Step 2: Convert to fraction form
    789,515.82/1,183,764.44 = 309,792.08/x
  3. Step 3: Cross multiply
    789,515.82x = 1,183,764.44 × 309,792.08
  4. Step 4: Simplify right side
    789,515.82x = 366,720,851,831.53
  5. Step 5: Solve for x
    x = 366,720,851,831.53/789,515.82
  6. Step 6: Final answer
    x = 464,488.29

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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.