Finding the Fourth Proportional to 664,208.91, 916,596.81 and 377,722.44
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Solution
The fourth proportional to 664,208.91, 916,596.81 and 377,722.44 is: 521,250.44
Step by Step Solution
- Step 1: Write the proportion equation
664,208.91 : 916,596.81 = 377,722.44 : x - Step 2: Convert to fraction form
664,208.91/916,596.81 = 377,722.44/x - Step 3: Cross multiply
664,208.91x = 916,596.81 × 377,722.44 - Step 4: Simplify right side
664,208.91x = 346,219,183,569.42 - Step 5: Solve for x
x = 346,219,183,569.42/664,208.91 - Step 6: Final answer
x = 521,250.44
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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.