Finding the Fourth Proportional to 715,132.80, 1,072,932.24 and 341,107.20
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Solution
The fourth proportional to 715,132.80, 1,072,932.24 and 341,107.20 is: 511,771.96
Step by Step Solution
- Step 1: Write the proportion equation
715,132.80 : 1,072,932.24 = 341,107.20 : x - Step 2: Convert to fraction form
715,132.80/1,072,932.24 = 341,107.20/x - Step 3: Cross multiply
715,132.80x = 1,072,932.24 × 341,107.20 - Step 4: Simplify right side
715,132.80x = 365,984,912,176.13 - Step 5: Solve for x
x = 365,984,912,176.13/715,132.80 - Step 6: Final answer
x = 511,771.96
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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.