Finding the Fourth Proportional to 876,003.68, 1,314,239.12 and 276,976.08
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Solution
The fourth proportional to 876,003.68, 1,314,239.12 and 276,976.08 is: 415,537.98
Step by Step Solution
- Step 1: Write the proportion equation
876,003.68 : 1,314,239.12 = 276,976.08 : x - Step 2: Convert to fraction form
876,003.68/1,314,239.12 = 276,976.08/x - Step 3: Cross multiply
876,003.68x = 1,314,239.12 × 276,976.08 - Step 4: Simplify right side
876,003.68x = 364,012,799,640.25 - Step 5: Solve for x
x = 364,012,799,640.25/876,003.68 - Step 6: Final answer
x = 415,537.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.