Finding the Fourth Proportional to 863,809.70, 1,192,049.25 and 476,628.62
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Solution
The fourth proportional to 863,809.70, 1,192,049.25 and 476,628.62 is: 657,743.01
Step by Step Solution
- Step 1: Write the proportion equation
863,809.70 : 1,192,049.25 = 476,628.62 : x - Step 2: Convert to fraction form
863,809.70/1,192,049.25 = 476,628.62/x - Step 3: Cross multiply
863,809.70x = 1,192,049.25 × 476,628.62 - Step 4: Simplify right side
863,809.70x = 568,164,788,999.54 - Step 5: Solve for x
x = 568,164,788,999.54/863,809.70 - Step 6: Final answer
x = 657,743.01
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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.