Finding the Fourth Proportional to 656,090.10, 905,294.70 and 365,638.23
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Solution
The fourth proportional to 656,090.10, 905,294.70 and 365,638.23 is: 504,519.66
Step by Step Solution
- Step 1: Write the proportion equation
656,090.10 : 905,294.70 = 365,638.23 : x - Step 2: Convert to fraction form
656,090.10/905,294.70 = 365,638.23/x - Step 3: Cross multiply
656,090.10x = 905,294.70 × 365,638.23 - Step 4: Simplify right side
656,090.10x = 331,010,351,736.38 - Step 5: Solve for x
x = 331,010,351,736.38/656,090.10 - Step 6: Final answer
x = 504,519.66
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1.5x scale
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.