Finding the Fourth Proportional to 769,627.08, 1,154,610.99 and 264,176.73
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Solution
The fourth proportional to 769,627.08, 1,154,610.99 and 264,176.73 is: 396,323.57
Step by Step Solution
- Step 1: Write the proportion equation
769,627.08 : 1,154,610.99 = 264,176.73 : x - Step 2: Convert to fraction form
769,627.08/1,154,610.99 = 264,176.73/x - Step 3: Cross multiply
769,627.08x = 1,154,610.99 × 264,176.73 - Step 4: Simplify right side
769,627.08x = 305,021,355,760.26 - Step 5: Solve for x
x = 305,021,355,760.26/769,627.08 - Step 6: Final answer
x = 396,323.57
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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.