Finding the Fourth Proportional to 738,959.06, 1,019,788.66 and 428,837.63
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Solution
The fourth proportional to 738,959.06, 1,019,788.66 and 428,837.63 is: 591,810.52
Step by Step Solution
- Step 1: Write the proportion equation
738,959.06 : 1,019,788.66 = 428,837.63 : x - Step 2: Convert to fraction form
738,959.06/1,019,788.66 = 428,837.63/x - Step 3: Cross multiply
738,959.06x = 1,019,788.66 × 428,837.63 - Step 4: Simplify right side
738,959.06x = 437,323,745,884.24 - Step 5: Solve for x
x = 437,323,745,884.24/738,959.06 - Step 6: Final answer
x = 591,810.52
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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.