Finding the Fourth Proportional to 854,198.10, 1,178,817.97 and 472,249.48
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Solution
The fourth proportional to 854,198.10, 1,178,817.97 and 472,249.48 is: 651,717.88
Step by Step Solution
- Step 1: Write the proportion equation
854,198.10 : 1,178,817.97 = 472,249.48 : x - Step 2: Convert to fraction form
854,198.10/1,178,817.97 = 472,249.48/x - Step 3: Cross multiply
854,198.10x = 1,178,817.97 × 472,249.48 - Step 4: Simplify right side
854,198.10x = 556,696,173,347.16 - Step 5: Solve for x
x = 556,696,173,347.16/854,198.10 - Step 6: Final answer
x = 651,717.88
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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.