Home / 809,960.10-1,214,939.42-248,993.70

Finding the Fourth Proportional to 809,960.10, 1,214,939.42 and 248,993.70

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Solution

The fourth proportional to 809,960.10, 1,214,939.42 and 248,993.70 is: 373,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,960.10 : 1,214,939.42 = 248,993.70 : x
  2. Step 2: Convert to fraction form
    809,960.10/1,214,939.42 = 248,993.70/x
  3. Step 3: Cross multiply
    809,960.10x = 1,214,939.42 × 248,993.70
  4. Step 4: Simplify right side
    809,960.10x = 302,512,261,461.65
  5. Step 5: Solve for x
    x = 302,512,261,461.65/809,960.10
  6. Step 6: Final answer
    x = 373,490.33

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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.