Home / 789,295.92-1,183,747.04-309,621.20

Finding the Fourth Proportional to 789,295.92, 1,183,747.04 and 309,621.20

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Solution

The fourth proportional to 789,295.92, 1,183,747.04 and 309,621.20 is: 464,354.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,295.92 : 1,183,747.04 = 309,621.20 : x
  2. Step 2: Convert to fraction form
    789,295.92/1,183,747.04 = 309,621.20/x
  3. Step 3: Cross multiply
    789,295.92x = 1,183,747.04 × 309,621.20
  4. Step 4: Simplify right side
    789,295.92x = 366,513,179,021.25
  5. Step 5: Solve for x
    x = 366,513,179,021.25/789,295.92
  6. Step 6: Final answer
    x = 464,354.58

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1.5x scale

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.