Finding the Fourth Proportional to 790,193.97, 1,090,467.63 and 427,617.81
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Solution
The fourth proportional to 790,193.97, 1,090,467.63 and 427,617.81 is: 590,112.55
Step by Step Solution
- Step 1: Write the proportion equation
790,193.97 : 1,090,467.63 = 427,617.81 : x - Step 2: Convert to fraction form
790,193.97/1,090,467.63 = 427,617.81/x - Step 3: Cross multiply
790,193.97x = 1,090,467.63 × 427,617.81 - Step 4: Simplify right side
790,193.97x = 466,303,379,816.49 - Step 5: Solve for x
x = 466,303,379,816.49/790,193.97 - Step 6: Final answer
x = 590,112.55
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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.