Finding the Fourth Proportional to 995,136.84, 1,372,203.57 and 672,286.37
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Solution
The fourth proportional to 995,136.84, 1,372,203.57 and 672,286.37 is: 927,022.01
Step by Step Solution
- Step 1: Write the proportion equation
995,136.84 : 1,372,203.57 = 672,286.37 : x - Step 2: Convert to fraction form
995,136.84/1,372,203.57 = 672,286.37/x - Step 3: Cross multiply
995,136.84x = 1,372,203.57 × 672,286.37 - Step 4: Simplify right side
995,136.84x = 922,513,750,115.32 - Step 5: Solve for x
x = 922,513,750,115.32/995,136.84 - Step 6: Final answer
x = 927,022.01
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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.