Finding the Fourth Proportional to 770,220.18, 1,155,356.62 and 264,776.84
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Solution
The fourth proportional to 770,220.18, 1,155,356.62 and 264,776.84 is: 397,174.31
Step by Step Solution
- Step 1: Write the proportion equation
770,220.18 : 1,155,356.62 = 264,776.84 : x - Step 2: Convert to fraction form
770,220.18/1,155,356.62 = 264,776.84/x - Step 3: Cross multiply
770,220.18x = 1,155,356.62 × 264,776.84 - Step 4: Simplify right side
770,220.18x = 305,911,669,561.10 - Step 5: Solve for x
x = 305,911,669,561.10/770,220.18 - Step 6: Final answer
x = 397,174.31
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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.