Finding the Fourth Proportional to 894,620.40, 1,234,105.62 and 531,786.18
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Solution
The fourth proportional to 894,620.40, 1,234,105.62 and 531,786.18 is: 733,585.23
Step by Step Solution
- Step 1: Write the proportion equation
894,620.40 : 1,234,105.62 = 531,786.18 : x - Step 2: Convert to fraction form
894,620.40/1,234,105.62 = 531,786.18/x - Step 3: Cross multiply
894,620.40x = 1,234,105.62 × 531,786.18 - Step 4: Simplify right side
894,620.40x = 656,280,313,376.33 - Step 5: Solve for x
x = 656,280,313,376.33/894,620.40 - Step 6: Final answer
x = 733,585.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.