Finding the Fourth Proportional to 663,193.36, 994,010.80 and 307,458.64
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Solution
The fourth proportional to 663,193.36, 994,010.80 and 307,458.64 is: 460,826.70
Step by Step Solution
- Step 1: Write the proportion equation
663,193.36 : 994,010.80 = 307,458.64 : x - Step 2: Convert to fraction form
663,193.36/994,010.80 = 307,458.64/x - Step 3: Cross multiply
663,193.36x = 994,010.80 × 307,458.64 - Step 4: Simplify right side
663,193.36x = 305,617,208,713.31 - Step 5: Solve for x
x = 305,617,208,713.31/663,193.36 - Step 6: Final answer
x = 460,826.70
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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.