Finding the Fourth Proportional to 758,220.35, 1,136,950.16 and 252,603.50
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Solution
The fourth proportional to 758,220.35, 1,136,950.16 and 252,603.50 is: 378,778.52
Step by Step Solution
- Step 1: Write the proportion equation
758,220.35 : 1,136,950.16 = 252,603.50 : x - Step 2: Convert to fraction form
758,220.35/1,136,950.16 = 252,603.50/x - Step 3: Cross multiply
758,220.35x = 1,136,950.16 × 252,603.50 - Step 4: Simplify right side
758,220.35x = 287,197,582,793.79 - Step 5: Solve for x
x = 287,197,582,793.79/758,220.35 - Step 6: Final answer
x = 378,778.52
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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.