Finding the Fourth Proportional to 756,120.38, 1,043,445.54 and 416,588.62
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Solution
The fourth proportional to 756,120.38, 1,043,445.54 and 416,588.62 is: 574,891.97
Step by Step Solution
- Step 1: Write the proportion equation
756,120.38 : 1,043,445.54 = 416,588.62 : x - Step 2: Convert to fraction form
756,120.38/1,043,445.54 = 416,588.62/x - Step 3: Cross multiply
756,120.38x = 1,043,445.54 × 416,588.62 - Step 4: Simplify right side
756,120.38x = 434,687,537,553.76 - Step 5: Solve for x
x = 434,687,537,553.76/756,120.38 - Step 6: Final answer
x = 574,891.97
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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.