Finding the Fourth Proportional to 722,420.19, 1,079,236.82 and 467,624.97
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Solution
The fourth proportional to 722,420.19, 1,079,236.82 and 467,624.97 is: 698,593.55
Step by Step Solution
- Step 1: Write the proportion equation
722,420.19 : 1,079,236.82 = 467,624.97 : x - Step 2: Convert to fraction form
722,420.19/1,079,236.82 = 467,624.97/x - Step 3: Cross multiply
722,420.19x = 1,079,236.82 × 467,624.97 - Step 4: Simplify right side
722,420.19x = 504,678,086,744.46 - Step 5: Solve for x
x = 504,678,086,744.46/722,420.19 - Step 6: Final answer
x = 698,593.55
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.