Finding the Fourth Proportional to 720,107.14, 993,717.84 and 414,160.42
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Solution
The fourth proportional to 720,107.14, 993,717.84 and 414,160.42 is: 571,524.12
Step by Step Solution
- Step 1: Write the proportion equation
720,107.14 : 993,717.84 = 414,160.42 : x - Step 2: Convert to fraction form
720,107.14/993,717.84 = 414,160.42/x - Step 3: Cross multiply
720,107.14x = 993,717.84 × 414,160.42 - Step 4: Simplify right side
720,107.14x = 411,558,597,975.89 - Step 5: Solve for x
x = 411,558,597,975.89/720,107.14 - Step 6: Final answer
x = 571,524.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.