Finding the Fourth Proportional to 756,409.72, 1,043,850.23 and 416,877.97
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Solution
The fourth proportional to 756,409.72, 1,043,850.23 and 416,877.97 is: 575,294.25
Step by Step Solution
- Step 1: Write the proportion equation
756,409.72 : 1,043,850.23 = 416,877.97 : x - Step 2: Convert to fraction form
756,409.72/1,043,850.23 = 416,877.97/x - Step 3: Cross multiply
756,409.72x = 1,043,850.23 × 416,877.97 - Step 4: Simplify right side
756,409.72x = 435,158,164,866.43 - Step 5: Solve for x
x = 435,158,164,866.43/756,409.72 - Step 6: Final answer
x = 575,294.25
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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.