Finding the Fourth Proportional to 691,639.70, 1,037,550.26 and 270,860.90
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Solution
The fourth proportional to 691,639.70, 1,037,550.26 and 270,860.90 is: 406,326.87
Step by Step Solution
- Step 1: Write the proportion equation
691,639.70 : 1,037,550.26 = 270,860.90 : x - Step 2: Convert to fraction form
691,639.70/1,037,550.26 = 270,860.90/x - Step 3: Cross multiply
691,639.70x = 1,037,550.26 × 270,860.90 - Step 4: Simplify right side
691,639.70x = 281,031,792,708.24 - Step 5: Solve for x
x = 281,031,792,708.24/691,639.70 - Step 6: Final answer
x = 406,326.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.