Finding the Fourth Proportional to 820,381.97, 1,230,567.80 and 441,481.19
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Solution
The fourth proportional to 820,381.97, 1,230,567.80 and 441,481.19 is: 662,219.00
Step by Step Solution
- Step 1: Write the proportion equation
820,381.97 : 1,230,567.80 = 441,481.19 : x - Step 2: Convert to fraction form
820,381.97/1,230,567.80 = 441,481.19/x - Step 3: Cross multiply
820,381.97x = 1,230,567.80 × 441,481.19 - Step 4: Simplify right side
820,381.97x = 543,272,528,359.44 - Step 5: Solve for x
x = 543,272,528,359.44/820,381.97 - Step 6: Final answer
x = 662,219.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.