Finding the Fourth Proportional to 994,219.12, 1,371,553.32 and 672,041.68
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Solution
The fourth proportional to 994,219.12, 1,371,553.32 and 672,041.68 is: 927,100.45
Step by Step Solution
- Step 1: Write the proportion equation
994,219.12 : 1,371,553.32 = 672,041.68 : x - Step 2: Convert to fraction form
994,219.12/1,371,553.32 = 672,041.68/x - Step 3: Cross multiply
994,219.12x = 1,371,553.32 × 672,041.68 - Step 4: Simplify right side
994,219.12x = 921,740,997,382.38 - Step 5: Solve for x
x = 921,740,997,382.38/994,219.12 - Step 6: Final answer
x = 927,100.45
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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.