Finding the Fourth Proportional to 922,349.94, 1,374,355.41 and 821,737.02
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Solution
The fourth proportional to 922,349.94, 1,374,355.41 and 821,737.02 is: 1,224,436.27
Step by Step Solution
- Step 1: Write the proportion equation
922,349.94 : 1,374,355.41 = 821,737.02 : x - Step 2: Convert to fraction form
922,349.94/1,374,355.41 = 821,737.02/x - Step 3: Cross multiply
922,349.94x = 1,374,355.41 × 821,737.02 - Step 4: Simplify right side
922,349.94x = 1,129,358,719,034.28 - Step 5: Solve for x
x = 1,129,358,719,034.28/922,349.94 - Step 6: Final answer
x = 1,224,436.27
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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.