Finding the Fourth Proportional to 922,678.56, 1,273,327.86 and 535,464.18
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Solution
The fourth proportional to 922,678.56, 1,273,327.86 and 535,464.18 is: 738,958.82
Step by Step Solution
- Step 1: Write the proportion equation
922,678.56 : 1,273,327.86 = 535,464.18 : x - Step 2: Convert to fraction form
922,678.56/1,273,327.86 = 535,464.18/x - Step 3: Cross multiply
922,678.56x = 1,273,327.86 × 535,464.18 - Step 4: Simplify right side
922,678.56x = 681,821,458,426.06 - Step 5: Solve for x
x = 681,821,458,426.06/922,678.56 - Step 6: Final answer
x = 738,958.82
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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.