Finding the Fourth Proportional to 869,996.70, 1,304,943.12 and 270,873.54
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Solution
The fourth proportional to 869,996.70, 1,304,943.12 and 270,873.54 is: 406,294.14
Step by Step Solution
- Step 1: Write the proportion equation
869,996.70 : 1,304,943.12 = 270,873.54 : x - Step 2: Convert to fraction form
869,996.70/1,304,943.12 = 270,873.54/x - Step 3: Cross multiply
869,996.70x = 1,304,943.12 × 270,873.54 - Step 4: Simplify right side
869,996.70x = 353,474,562,413.05 - Step 5: Solve for x
x = 353,474,562,413.05/869,996.70 - Step 6: Final answer
x = 406,294.14
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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.