Finding the Fourth Proportional to 669,274.21, 923,609.55 and 363,350.68
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Solution
The fourth proportional to 669,274.21, 923,609.55 and 363,350.68 is: 501,429.98
Step by Step Solution
- Step 1: Write the proportion equation
669,274.21 : 923,609.55 = 363,350.68 : x - Step 2: Convert to fraction form
669,274.21/923,609.55 = 363,350.68/x - Step 3: Cross multiply
669,274.21x = 923,609.55 × 363,350.68 - Step 4: Simplify right side
669,274.21x = 335,594,157,100.54 - Step 5: Solve for x
x = 335,594,157,100.54/669,274.21 - Step 6: Final answer
x = 501,429.98
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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.