Finding the Fourth Proportional to 442,015.38, 663,356.79 and 354,327.75
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Solution
The fourth proportional to 442,015.38, 663,356.79 and 354,327.75 is: 531,759.14
Step by Step Solution
- Step 1: Write the proportion equation
442,015.38 : 663,356.79 = 354,327.75 : x - Step 2: Convert to fraction form
442,015.38/663,356.79 = 354,327.75/x - Step 3: Cross multiply
442,015.38x = 663,356.79 × 354,327.75 - Step 4: Simplify right side
442,015.38x = 235,045,718,847.92 - Step 5: Solve for x
x = 235,045,718,847.92/442,015.38 - Step 6: Final answer
x = 531,759.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.