Finding the Fourth Proportional to 943,057.82, 1,414,587.18 and 311,971.63
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Solution
The fourth proportional to 943,057.82, 1,414,587.18 and 311,971.63 is: 467,957.59
Step by Step Solution
- Step 1: Write the proportion equation
943,057.82 : 1,414,587.18 = 311,971.63 : x - Step 2: Convert to fraction form
943,057.82/1,414,587.18 = 311,971.63/x - Step 3: Cross multiply
943,057.82x = 1,414,587.18 × 311,971.63 - Step 4: Simplify right side
943,057.82x = 441,311,068,321.70 - Step 5: Solve for x
x = 441,311,068,321.70/943,057.82 - Step 6: Final answer
x = 467,957.59
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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.