Finding the Fourth Proportional to 662,724.12, 992,590.74 and 306,990.84
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Solution
The fourth proportional to 662,724.12, 992,590.74 and 306,990.84 is: 459,793.53
Step by Step Solution
- Step 1: Write the proportion equation
662,724.12 : 992,590.74 = 306,990.84 : x - Step 2: Convert to fraction form
662,724.12/992,590.74 = 306,990.84/x - Step 3: Cross multiply
662,724.12x = 992,590.74 × 306,990.84 - Step 4: Simplify right side
662,724.12x = 304,716,265,048.82 - Step 5: Solve for x
x = 304,716,265,048.82/662,724.12 - Step 6: Final answer
x = 459,793.53
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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.