Finding the Fourth Proportional to 511,770.93, 768,321.62 and 393,525.32
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Solution
The fourth proportional to 511,770.93, 768,321.62 and 393,525.32 is: 590,799.49
Step by Step Solution
- Step 1: Write the proportion equation
511,770.93 : 768,321.62 = 393,525.32 : x - Step 2: Convert to fraction form
511,770.93/768,321.62 = 393,525.32/x - Step 3: Cross multiply
511,770.93x = 768,321.62 × 393,525.32 - Step 4: Simplify right side
511,770.93x = 302,354,005,564.18 - Step 5: Solve for x
x = 302,354,005,564.18/511,770.93 - Step 6: Final answer
x = 590,799.49
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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.