Finding the Fourth Proportional to 854,558.91, 1,179,260.37 and 467,361.09
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Solution
The fourth proportional to 854,558.91, 1,179,260.37 and 467,361.09 is: 644,941.39
Step by Step Solution
- Step 1: Write the proportion equation
854,558.91 : 1,179,260.37 = 467,361.09 : x - Step 2: Convert to fraction form
854,558.91/1,179,260.37 = 467,361.09/x - Step 3: Cross multiply
854,558.91x = 1,179,260.37 × 467,361.09 - Step 4: Simplify right side
854,558.91x = 551,140,411,917.00 - Step 5: Solve for x
x = 551,140,411,917.00/854,558.91 - Step 6: Final answer
x = 644,941.39
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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.