Finding the Fourth Proportional to 981,864.70, 1,472,782.26 and 441,739.54
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Solution
The fourth proportional to 981,864.70, 1,472,782.26 and 441,739.54 is: 662,602.66
Step by Step Solution
- Step 1: Write the proportion equation
981,864.70 : 1,472,782.26 = 441,739.54 : x - Step 2: Convert to fraction form
981,864.70/1,472,782.26 = 441,739.54/x - Step 3: Cross multiply
981,864.70x = 1,472,782.26 × 441,739.54 - Step 4: Simplify right side
981,864.70x = 650,586,161,550.06 - Step 5: Solve for x
x = 650,586,161,550.06/981,864.70 - Step 6: Final answer
x = 662,602.66
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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.