Finding the Fourth Proportional to 789,484.38, 1,089,422.22 and 467,137.99
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Solution
The fourth proportional to 789,484.38, 1,089,422.22 and 467,137.99 is: 644,611.24
Step by Step Solution
- Step 1: Write the proportion equation
789,484.38 : 1,089,422.22 = 467,137.99 : x - Step 2: Convert to fraction form
789,484.38/1,089,422.22 = 467,137.99/x - Step 3: Cross multiply
789,484.38x = 1,089,422.22 × 467,137.99 - Step 4: Simplify right side
789,484.38x = 508,910,506,112.14 - Step 5: Solve for x
x = 508,910,506,112.14/789,484.38 - Step 6: Final answer
x = 644,611.24
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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.