Finding the Fourth Proportional to 922,343.94, 1,374,346.47 and 821,730.99
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Solution
The fourth proportional to 922,343.94, 1,374,346.47 and 821,730.99 is: 1,224,427.28
Step by Step Solution
- Step 1: Write the proportion equation
922,343.94 : 1,374,346.47 = 821,730.99 : x - Step 2: Convert to fraction form
922,343.94/1,374,346.47 = 821,730.99/x - Step 3: Cross multiply
922,343.94x = 1,374,346.47 × 821,730.99 - Step 4: Simplify right side
922,343.94x = 1,129,343,085,396.11 - Step 5: Solve for x
x = 1,129,343,085,396.11/922,343.94 - Step 6: Final answer
x = 1,224,427.28
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.