Finding the Fourth Proportional to 693,213.26, 956,616.67 and 387,291.94
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Solution
The fourth proportional to 693,213.26, 956,616.67 and 387,291.94 is: 534,453.03
Step by Step Solution
- Step 1: Write the proportion equation
693,213.26 : 956,616.67 = 387,291.94 : x - Step 2: Convert to fraction form
693,213.26/956,616.67 = 387,291.94/x - Step 3: Cross multiply
693,213.26x = 956,616.67 × 387,291.94 - Step 4: Simplify right side
693,213.26x = 370,489,925,145.44 - Step 5: Solve for x
x = 370,489,925,145.44/693,213.26 - Step 6: Final answer
x = 534,453.03
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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.