Finding the Fourth Proportional to 931,268.70, 1,284,861.98 and 543,804.62
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Solution
The fourth proportional to 931,268.70, 1,284,861.98 and 543,804.62 is: 750,281.72
Step by Step Solution
- Step 1: Write the proportion equation
931,268.70 : 1,284,861.98 = 543,804.62 : x - Step 2: Convert to fraction form
931,268.70/1,284,861.98 = 543,804.62/x - Step 3: Cross multiply
931,268.70x = 1,284,861.98 × 543,804.62 - Step 4: Simplify right side
931,268.70x = 698,713,880,786.35 - Step 5: Solve for x
x = 698,713,880,786.35/931,268.70 - Step 6: Final answer
x = 750,281.72
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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.