Finding the Fourth Proportional to 744,767.99, 1,027,855.53 and 438,942.90
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Solution
The fourth proportional to 744,767.99, 1,027,855.53 and 438,942.90 is: 605,785.82
Step by Step Solution
- Step 1: Write the proportion equation
744,767.99 : 1,027,855.53 = 438,942.90 : x - Step 2: Convert to fraction form
744,767.99/1,027,855.53 = 438,942.90/x - Step 3: Cross multiply
744,767.99x = 1,027,855.53 × 438,942.90 - Step 4: Simplify right side
744,767.99x = 451,169,887,119.24 - Step 5: Solve for x
x = 451,169,887,119.24/744,767.99 - Step 6: Final answer
x = 605,785.82
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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.