Finding the Fourth Proportional to 695,112.09, 959,269.26 and 393,306.09
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Solution
The fourth proportional to 695,112.09, 959,269.26 and 393,306.09 is: 542,770.65
Step by Step Solution
- Step 1: Write the proportion equation
695,112.09 : 959,269.26 = 393,306.09 : x - Step 2: Convert to fraction form
695,112.09/959,269.26 = 393,306.09/x - Step 3: Cross multiply
695,112.09x = 959,269.26 × 393,306.09 - Step 4: Simplify right side
695,112.09x = 377,286,441,907.79 - Step 5: Solve for x
x = 377,286,441,907.79/695,112.09 - Step 6: Final answer
x = 542,770.65
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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.