Finding the Fourth Proportional to 981,828.44, 1,470,380.68 and 559,824.92
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Solution
The fourth proportional to 981,828.44, 1,470,380.68 and 559,824.92 is: 838,390.61
Step by Step Solution
- Step 1: Write the proportion equation
981,828.44 : 1,470,380.68 = 559,824.92 : x - Step 2: Convert to fraction form
981,828.44/1,470,380.68 = 559,824.92/x - Step 3: Cross multiply
981,828.44x = 1,470,380.68 × 559,824.92 - Step 4: Simplify right side
981,828.44x = 823,155,746,550.55 - Step 5: Solve for x
x = 823,155,746,550.55/981,828.44 - Step 6: Final answer
x = 838,390.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.