Finding the Fourth Proportional to 743,959.68, 1,026,670.32 and 404,427.12
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Solution
The fourth proportional to 743,959.68, 1,026,670.32 and 404,427.12 is: 558,112.67
Step by Step Solution
- Step 1: Write the proportion equation
743,959.68 : 1,026,670.32 = 404,427.12 : x - Step 2: Convert to fraction form
743,959.68/1,026,670.32 = 404,427.12/x - Step 3: Cross multiply
743,959.68x = 1,026,670.32 × 404,427.12 - Step 4: Simplify right side
743,959.68x = 415,213,320,707.08 - Step 5: Solve for x
x = 415,213,320,707.08/743,959.68 - Step 6: Final answer
x = 558,112.67
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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.