Finding the Fourth Proportional to 981,821.44, 1,470,370.18 and 559,817.92
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Solution
The fourth proportional to 981,821.44, 1,470,370.18 and 559,817.92 is: 838,380.12
Step by Step Solution
- Step 1: Write the proportion equation
981,821.44 : 1,470,370.18 = 559,817.92 : x - Step 2: Convert to fraction form
981,821.44/1,470,370.18 = 559,817.92/x - Step 3: Cross multiply
981,821.44x = 1,470,370.18 × 559,817.92 - Step 4: Simplify right side
981,821.44x = 823,139,575,797.63 - Step 5: Solve for x
x = 823,139,575,797.63/981,821.44 - Step 6: Final answer
x = 838,380.12
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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.