Finding the Fourth Proportional to 690,060.70, 952,311.63 and 384,149.62
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Solution
The fourth proportional to 690,060.70, 952,311.63 and 384,149.62 is: 530,141.99
Step by Step Solution
- Step 1: Write the proportion equation
690,060.70 : 952,311.63 = 384,149.62 : x - Step 2: Convert to fraction form
690,060.70/952,311.63 = 384,149.62/x - Step 3: Cross multiply
690,060.70x = 952,311.63 × 384,149.62 - Step 4: Simplify right side
690,060.70x = 365,830,150,786.08 - Step 5: Solve for x
x = 365,830,150,786.08/690,060.70 - Step 6: Final answer
x = 530,141.99
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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.