Finding the Fourth Proportional to 1,088,674.21, 1,633,048.17 and 378,708.40
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Solution
The fourth proportional to 1,088,674.21, 1,633,048.17 and 378,708.40 is: 568,075.42
Step by Step Solution
- Step 1: Write the proportion equation
1,088,674.21 : 1,633,048.17 = 378,708.40 : x - Step 2: Convert to fraction form
1,088,674.21/1,633,048.17 = 378,708.40/x - Step 3: Cross multiply
1,088,674.21x = 1,633,048.17 × 378,708.40 - Step 4: Simplify right side
1,088,674.21x = 618,449,059,583.63 - Step 5: Solve for x
x = 618,449,059,583.63/1,088,674.21 - Step 6: Final answer
x = 568,075.42
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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.