Finding the Fourth Proportional to 635,715.15, 877,282.73 and 345,324.07
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Solution
The fourth proportional to 635,715.15, 877,282.73 and 345,324.07 is: 476,544.95
Step by Step Solution
- Step 1: Write the proportion equation
635,715.15 : 877,282.73 = 345,324.07 : x - Step 2: Convert to fraction form
635,715.15/877,282.73 = 345,324.07/x - Step 3: Cross multiply
635,715.15x = 877,282.73 × 345,324.07 - Step 4: Simplify right side
635,715.15x = 302,946,843,529.26 - Step 5: Solve for x
x = 302,946,843,529.26/635,715.15 - Step 6: Final answer
x = 476,544.95
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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.