Finding the Fourth Proportional to 622,043.04, 858,832.56 and 478,549.92
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Solution
The fourth proportional to 622,043.04, 858,832.56 and 478,549.92 is: 660,716.75
Step by Step Solution
- Step 1: Write the proportion equation
622,043.04 : 858,832.56 = 478,549.92 : x - Step 2: Convert to fraction form
622,043.04/858,832.56 = 478,549.92/x - Step 3: Cross multiply
622,043.04x = 858,832.56 × 478,549.92 - Step 4: Simplify right side
622,043.04x = 410,994,252,881.40 - Step 5: Solve for x
x = 410,994,252,881.40/622,043.04 - Step 6: Final answer
x = 660,716.75
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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.