Finding the Fourth Proportional to 941,651.21, 1,299,493.46 and 511,932.98
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Solution
The fourth proportional to 941,651.21, 1,299,493.46 and 511,932.98 is: 706,475.55
Step by Step Solution
- Step 1: Write the proportion equation
941,651.21 : 1,299,493.46 = 511,932.98 : x - Step 2: Convert to fraction form
941,651.21/1,299,493.46 = 511,932.98/x - Step 3: Cross multiply
941,651.21x = 1,299,493.46 × 511,932.98 - Step 4: Simplify right side
941,651.21x = 665,253,559,468.31 - Step 5: Solve for x
x = 665,253,559,468.31/941,651.21 - Step 6: Final answer
x = 706,475.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.