Home / 789,297.64-1,183,749.42-309,622.93

Finding the Fourth Proportional to 789,297.64, 1,183,749.42 and 309,622.93

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Solution

The fourth proportional to 789,297.64, 1,183,749.42 and 309,622.93 is: 464,357.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,297.64 : 1,183,749.42 = 309,622.93 : x
  2. Step 2: Convert to fraction form
    789,297.64/1,183,749.42 = 309,622.93/x
  3. Step 3: Cross multiply
    789,297.64x = 1,183,749.42 × 309,622.93
  4. Step 4: Simplify right side
    789,297.64x = 366,515,963,806.20
  5. Step 5: Solve for x
    x = 366,515,963,806.20/789,297.64
  6. Step 6: Final answer
    x = 464,357.10

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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.