Finding the Fourth Proportional to 782,504.63, 1,173,540.08 and 276,999.09
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Solution
The fourth proportional to 782,504.63, 1,173,540.08 and 276,999.09 is: 415,421.87
Step by Step Solution
- Step 1: Write the proportion equation
782,504.63 : 1,173,540.08 = 276,999.09 : x - Step 2: Convert to fraction form
782,504.63/1,173,540.08 = 276,999.09/x - Step 3: Cross multiply
782,504.63x = 1,173,540.08 × 276,999.09 - Step 4: Simplify right side
782,504.63x = 325,069,532,853.53 - Step 5: Solve for x
x = 325,069,532,853.53/782,504.63 - Step 6: Final answer
x = 415,421.87
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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.