Finding the Fourth Proportional to 922,341.93, 1,374,343.48 and 821,728.99
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Solution
The fourth proportional to 922,341.93, 1,374,343.48 and 821,728.99 is: 1,224,424.31
Step by Step Solution
- Step 1: Write the proportion equation
922,341.93 : 1,374,343.48 = 821,728.99 : x - Step 2: Convert to fraction form
922,341.93/1,374,343.48 = 821,728.99/x - Step 3: Cross multiply
922,341.93x = 1,374,343.48 × 821,728.99 - Step 4: Simplify right side
922,341.93x = 1,129,337,879,733.49 - Step 5: Solve for x
x = 1,129,337,879,733.49/922,341.93 - Step 6: Final answer
x = 1,224,424.31
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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.