Finding the Fourth Proportional to 777,879.08, 1,166,548.74 and 272,428.91
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Solution
The fourth proportional to 777,879.08, 1,166,548.74 and 272,428.91 is: 408,548.84
Step by Step Solution
- Step 1: Write the proportion equation
777,879.08 : 1,166,548.74 = 272,428.91 : x - Step 2: Convert to fraction form
777,879.08/1,166,548.74 = 272,428.91/x - Step 3: Cross multiply
777,879.08x = 1,166,548.74 × 272,428.91 - Step 4: Simplify right side
777,879.08x = 317,801,595,867.33 - Step 5: Solve for x
x = 317,801,595,867.33/777,879.08 - Step 6: Final answer
x = 408,548.84
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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.