Finding the Fourth Proportional to 741,427.99, 1,023,214.74 and 419,168.07
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Solution
The fourth proportional to 741,427.99, 1,023,214.74 and 419,168.07 is: 578,476.88
Step by Step Solution
- Step 1: Write the proportion equation
741,427.99 : 1,023,214.74 = 419,168.07 : x - Step 2: Convert to fraction form
741,427.99/1,023,214.74 = 419,168.07/x - Step 3: Cross multiply
741,427.99x = 1,023,214.74 × 419,168.07 - Step 4: Simplify right side
741,427.99x = 428,898,947,761.35 - Step 5: Solve for x
x = 428,898,947,761.35/741,427.99 - Step 6: Final answer
x = 578,476.88
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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.