Finding the Fourth Proportional to 858,954.22, 1,288,218.42 and 290,322.68
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Solution
The fourth proportional to 858,954.22, 1,288,218.42 and 290,322.68 is: 435,412.05
Step by Step Solution
- Step 1: Write the proportion equation
858,954.22 : 1,288,218.42 = 290,322.68 : x - Step 2: Convert to fraction form
858,954.22/1,288,218.42 = 290,322.68/x - Step 3: Cross multiply
858,954.22x = 1,288,218.42 × 290,322.68 - Step 4: Simplify right side
858,954.22x = 373,999,020,173.41 - Step 5: Solve for x
x = 373,999,020,173.41/858,954.22 - Step 6: Final answer
x = 435,412.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.