Finding the Fourth Proportional to 744,214.33, 1,027,092.05 and 438,386.99
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Solution
The fourth proportional to 744,214.33, 1,027,092.05 and 438,386.99 is: 605,018.97
Step by Step Solution
- Step 1: Write the proportion equation
744,214.33 : 1,027,092.05 = 438,386.99 : x - Step 2: Convert to fraction form
744,214.33/1,027,092.05 = 438,386.99/x - Step 3: Cross multiply
744,214.33x = 1,027,092.05 × 438,386.99 - Step 4: Simplify right side
744,214.33x = 450,263,786,568.99 - Step 5: Solve for x
x = 450,263,786,568.99/744,214.33 - Step 6: Final answer
x = 605,018.97
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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.