Finding the Fourth Proportional to 922,335.36, 1,374,333.84 and 821,722.44
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Solution
The fourth proportional to 922,335.36, 1,374,333.84 and 821,722.44 is: 1,224,414.68
Step by Step Solution
- Step 1: Write the proportion equation
922,335.36 : 1,374,333.84 = 821,722.44 : x - Step 2: Convert to fraction form
922,335.36/1,374,333.84 = 821,722.44/x - Step 3: Cross multiply
922,335.36x = 1,374,333.84 × 821,722.44 - Step 4: Simplify right side
922,335.36x = 1,129,320,956,379.37 - Step 5: Solve for x
x = 1,129,320,956,379.37/922,335.36 - Step 6: Final answer
x = 1,224,414.68
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.