Finding the Fourth Proportional to 863,551.74, 1,191,699.09 and 481,578.96
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Solution
The fourth proportional to 863,551.74, 1,191,699.09 and 481,578.96 is: 664,577.68
Step by Step Solution
- Step 1: Write the proportion equation
863,551.74 : 1,191,699.09 = 481,578.96 : x - Step 2: Convert to fraction form
863,551.74/1,191,699.09 = 481,578.96/x - Step 3: Cross multiply
863,551.74x = 1,191,699.09 × 481,578.96 - Step 4: Simplify right side
863,551.74x = 573,897,208,395.15 - Step 5: Solve for x
x = 573,897,208,395.15/863,551.74 - Step 6: Final answer
x = 664,577.68
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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.