Home / 789,295.64-1,183,746.42-309,620.93

Finding the Fourth Proportional to 789,295.64, 1,183,746.42 and 309,620.93

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Solution

The fourth proportional to 789,295.64, 1,183,746.42 and 309,620.93 is: 464,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,295.64 : 1,183,746.42 = 309,620.93 : x
  2. Step 2: Convert to fraction form
    789,295.64/1,183,746.42 = 309,620.93/x
  3. Step 3: Cross multiply
    789,295.64x = 1,183,746.42 × 309,620.93
  4. Step 4: Simplify right side
    789,295.64x = 366,512,661,525.84
  5. Step 5: Solve for x
    x = 366,512,661,525.84/789,295.64
  6. Step 6: Final answer
    x = 464,354.10

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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.