Finding the Fourth Proportional to 941,378.60, 1,299,115.62 and 511,658.60
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Solution
The fourth proportional to 941,378.60, 1,299,115.62 and 511,658.60 is: 706,096.02
Step by Step Solution
- Step 1: Write the proportion equation
941,378.60 : 1,299,115.62 = 511,658.60 : x - Step 2: Convert to fraction form
941,378.60/1,299,115.62 = 511,658.60/x - Step 3: Cross multiply
941,378.60x = 1,299,115.62 × 511,658.60 - Step 4: Simplify right side
941,378.60x = 664,703,679,367.33 - Step 5: Solve for x
x = 664,703,679,367.33/941,378.60 - Step 6: Final answer
x = 706,096.02
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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.