Finding the Fourth Proportional to 822,982.79, 1,234,349.44 and 223,990.63
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Solution
The fourth proportional to 822,982.79, 1,234,349.44 and 223,990.63 is: 335,951.99
Step by Step Solution
- Step 1: Write the proportion equation
822,982.79 : 1,234,349.44 = 223,990.63 : x - Step 2: Convert to fraction form
822,982.79/1,234,349.44 = 223,990.63/x - Step 3: Cross multiply
822,982.79x = 1,234,349.44 × 223,990.63 - Step 4: Simplify right side
822,982.79x = 276,482,708,705.75 - Step 5: Solve for x
x = 276,482,708,705.75/822,982.79 - Step 6: Final answer
x = 335,951.99
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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.