Finding the Fourth Proportional to 574,993.68, 793,491.12 and 320,361.12
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Solution
The fourth proportional to 574,993.68, 793,491.12 and 320,361.12 is: 442,098.26
Step by Step Solution
- Step 1: Write the proportion equation
574,993.68 : 793,491.12 = 320,361.12 : x - Step 2: Convert to fraction form
574,993.68/793,491.12 = 320,361.12/x - Step 3: Cross multiply
574,993.68x = 793,491.12 × 320,361.12 - Step 4: Simplify right side
574,993.68x = 254,203,703,913.25 - Step 5: Solve for x
x = 254,203,703,913.25/574,993.68 - Step 6: Final answer
x = 442,098.26
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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.