Finding the Fourth Proportional to 744,474.96, 1,027,466.68 and 438,535.56
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Solution
The fourth proportional to 744,474.96, 1,027,466.68 and 438,535.56 is: 605,232.82
Step by Step Solution
- Step 1: Write the proportion equation
744,474.96 : 1,027,466.68 = 438,535.56 : x - Step 2: Convert to fraction form
744,474.96/1,027,466.68 = 438,535.56/x - Step 3: Cross multiply
744,474.96x = 1,027,466.68 × 438,535.56 - Step 4: Simplify right side
744,474.96x = 450,580,675,895.14 - Step 5: Solve for x
x = 450,580,675,895.14/744,474.96 - Step 6: Final answer
x = 605,232.82
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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.