Finding the Fourth Proportional to 788,821.36, 1,183,232.06 and 189,782.52
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Solution
The fourth proportional to 788,821.36, 1,183,232.06 and 189,782.52 is: 284,673.79
Step by Step Solution
- Step 1: Write the proportion equation
788,821.36 : 1,183,232.06 = 189,782.52 : x - Step 2: Convert to fraction form
788,821.36/1,183,232.06 = 189,782.52/x - Step 3: Cross multiply
788,821.36x = 1,183,232.06 × 189,782.52 - Step 4: Simplify right side
788,821.36x = 224,556,765,524.13 - Step 5: Solve for x
x = 224,556,765,524.13/788,821.36 - Step 6: Final answer
x = 284,673.79
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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.