Finding the Fourth Proportional to 664,234.48, 916,663.80 and 377,795.80
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Solution
The fourth proportional to 664,234.48, 916,663.80 and 377,795.80 is: 521,369.70
Step by Step Solution
- Step 1: Write the proportion equation
664,234.48 : 916,663.80 = 377,795.80 : x - Step 2: Convert to fraction form
664,234.48/916,663.80 = 377,795.80/x - Step 3: Cross multiply
664,234.48x = 916,663.80 × 377,795.80 - Step 4: Simplify right side
664,234.48x = 346,311,733,652.04 - Step 5: Solve for x
x = 346,311,733,652.04/664,234.48 - Step 6: Final answer
x = 521,369.70
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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.