Finding the Fourth Proportional to 635,974.74, 877,639.59 and 345,583.26
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Solution
The fourth proportional to 635,974.74, 877,639.59 and 345,583.26 is: 476,901.88
Step by Step Solution
- Step 1: Write the proportion equation
635,974.74 : 877,639.59 = 345,583.26 : x - Step 2: Convert to fraction form
635,974.74/877,639.59 = 345,583.26/x - Step 3: Cross multiply
635,974.74x = 877,639.59 × 345,583.26 - Step 4: Simplify right side
635,974.74x = 303,297,550,617.26 - Step 5: Solve for x
x = 303,297,550,617.26/635,974.74 - Step 6: Final answer
x = 476,901.88
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1.5x scale
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.