Finding the Fourth Proportional to 722,338.74, 1,083,438.99 and 248,958.90
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Solution
The fourth proportional to 722,338.74, 1,083,438.99 and 248,958.90 is: 373,414.53
Step by Step Solution
- Step 1: Write the proportion equation
722,338.74 : 1,083,438.99 = 248,958.90 : x - Step 2: Convert to fraction form
722,338.74/1,083,438.99 = 248,958.90/x - Step 3: Cross multiply
722,338.74x = 1,083,438.99 × 248,958.90 - Step 4: Simplify right side
722,338.74x = 269,731,779,167.51 - Step 5: Solve for x
x = 269,731,779,167.51/722,338.74 - Step 6: Final answer
x = 373,414.53
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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.