Finding the Fourth Proportional to 734,651.72, 1,101,549.40 and 284,847.12
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Solution
The fourth proportional to 734,651.72, 1,101,549.40 and 284,847.12 is: 427,104.66
Step by Step Solution
- Step 1: Write the proportion equation
734,651.72 : 1,101,549.40 = 284,847.12 : x - Step 2: Convert to fraction form
734,651.72/1,101,549.40 = 284,847.12/x - Step 3: Cross multiply
734,651.72x = 1,101,549.40 × 284,847.12 - Step 4: Simplify right side
734,651.72x = 313,773,174,127.73 - Step 5: Solve for x
x = 313,773,174,127.73/734,651.72 - Step 6: Final answer
x = 427,104.66
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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.