Finding the Fourth Proportional to 685,375.23, 946,316.79 and 550,153.02
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Solution
The fourth proportional to 685,375.23, 946,316.79 and 550,153.02 is: 759,611.69
Step by Step Solution
- Step 1: Write the proportion equation
685,375.23 : 946,316.79 = 550,153.02 : x - Step 2: Convert to fraction form
685,375.23/946,316.79 = 550,153.02/x - Step 3: Cross multiply
685,375.23x = 946,316.79 × 550,153.02 - Step 4: Simplify right side
685,375.23x = 520,619,039,895.21 - Step 5: Solve for x
x = 520,619,039,895.21/685,375.23 - Step 6: Final answer
x = 759,611.69
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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.