Finding the Fourth Proportional to 693,180.26, 956,494.11 and 387,218.81
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Solution
The fourth proportional to 693,180.26, 956,494.11 and 387,218.81 is: 534,309.09
Step by Step Solution
- Step 1: Write the proportion equation
693,180.26 : 956,494.11 = 387,218.81 : x - Step 2: Convert to fraction form
693,180.26/956,494.11 = 387,218.81/x - Step 3: Cross multiply
693,180.26x = 956,494.11 × 387,218.81 - Step 4: Simplify right side
693,180.26x = 370,372,513,437.44 - Step 5: Solve for x
x = 370,372,513,437.44/693,180.26 - Step 6: Final answer
x = 534,309.09
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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.