Finding the Fourth Proportional to 994,409.69, 1,372,249.08 and 607,872.48
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Solution
The fourth proportional to 994,409.69, 1,372,249.08 and 607,872.48 is: 838,841.84
Step by Step Solution
- Step 1: Write the proportion equation
994,409.69 : 1,372,249.08 = 607,872.48 : x - Step 2: Convert to fraction form
994,409.69/1,372,249.08 = 607,872.48/x - Step 3: Cross multiply
994,409.69x = 1,372,249.08 × 607,872.48 - Step 4: Simplify right side
994,409.69x = 834,152,451,437.32 - Step 5: Solve for x
x = 834,152,451,437.32/994,409.69 - Step 6: Final answer
x = 838,841.84
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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.