Finding the Fourth Proportional to 987,180.12, 1,362,312.81 and 534,471.12
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Solution
The fourth proportional to 987,180.12, 1,362,312.81 and 534,471.12 is: 737,572.44
Step by Step Solution
- Step 1: Write the proportion equation
987,180.12 : 1,362,312.81 = 534,471.12 : x - Step 2: Convert to fraction form
987,180.12/1,362,312.81 = 534,471.12/x - Step 3: Cross multiply
987,180.12x = 1,362,312.81 × 534,471.12 - Step 4: Simplify right side
987,180.12x = 728,116,853,351.05 - Step 5: Solve for x
x = 728,116,853,351.05/987,180.12 - Step 6: Final answer
x = 737,572.44
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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.