Finding the Fourth Proportional to 758,126.97, 1,136,810.09 and 252,510.12
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Solution
The fourth proportional to 758,126.97, 1,136,810.09 and 252,510.12 is: 378,638.49
Step by Step Solution
- Step 1: Write the proportion equation
758,126.97 : 1,136,810.09 = 252,510.12 : x - Step 2: Convert to fraction form
758,126.97/1,136,810.09 = 252,510.12/x - Step 3: Cross multiply
758,126.97x = 1,136,810.09 × 252,510.12 - Step 4: Simplify right side
758,126.97x = 287,056,052,874.39 - Step 5: Solve for x
x = 287,056,052,874.39/758,126.97 - Step 6: Final answer
x = 378,638.49
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1.5x scale
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.