Finding the Fourth Proportional to 618,960.49, 854,317.41 and 377,376.26
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Solution
The fourth proportional to 618,960.49, 854,317.41 and 377,376.26 is: 520,871.87
Step by Step Solution
- Step 1: Write the proportion equation
618,960.49 : 854,317.41 = 377,376.26 : x - Step 2: Convert to fraction form
618,960.49/854,317.41 = 377,376.26/x - Step 3: Cross multiply
618,960.49x = 854,317.41 × 377,376.26 - Step 4: Simplify right side
618,960.49x = 322,399,107,151.81 - Step 5: Solve for x
x = 322,399,107,151.81/618,960.49 - Step 6: Final answer
x = 520,871.87
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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.