Home / 816,310.09-1,224,467.84-247,696.03

Finding the Fourth Proportional to 816,310.09, 1,224,467.84 and 247,696.03

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Solution

The fourth proportional to 816,310.09, 1,224,467.84 and 247,696.03 is: 371,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,310.09 : 1,224,467.84 = 247,696.03 : x
  2. Step 2: Convert to fraction form
    816,310.09/1,224,467.84 = 247,696.03/x
  3. Step 3: Cross multiply
    816,310.09x = 1,224,467.84 × 247,696.03
  4. Step 4: Simplify right side
    816,310.09x = 303,295,822,830.68
  5. Step 5: Solve for x
    x = 303,295,822,830.68/816,310.09
  6. Step 6: Final answer
    x = 371,544.87

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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.