Finding the Fourth Proportional to 744,105.87, 1,026,836.37 and 438,195.14
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Solution
The fourth proportional to 744,105.87, 1,026,836.37 and 438,195.14 is: 604,691.79
Step by Step Solution
- Step 1: Write the proportion equation
744,105.87 : 1,026,836.37 = 438,195.14 : x - Step 2: Convert to fraction form
744,105.87/1,026,836.37 = 438,195.14/x - Step 3: Cross multiply
744,105.87x = 1,026,836.37 × 438,195.14 - Step 4: Simplify right side
744,105.87x = 449,954,707,281.25 - Step 5: Solve for x
x = 449,954,707,281.25/744,105.87 - Step 6: Final answer
x = 604,691.79
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1.5x scale
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.