Finding the Fourth Proportional to 857,940.96, 1,183,863.60 and 475,872.48
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Solution
The fourth proportional to 857,940.96, 1,183,863.60 and 475,872.48 is: 656,651.37
Step by Step Solution
- Step 1: Write the proportion equation
857,940.96 : 1,183,863.60 = 475,872.48 : x - Step 2: Convert to fraction form
857,940.96/1,183,863.60 = 475,872.48/x - Step 3: Cross multiply
857,940.96x = 1,183,863.60 × 475,872.48 - Step 4: Simplify right side
857,940.96x = 563,368,107,313.73 - Step 5: Solve for x
x = 563,368,107,313.73/857,940.96 - Step 6: Final answer
x = 656,651.37
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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.