Finding the Fourth Proportional to 664,272.80, 996,538.80 and 285,192.80
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Solution
The fourth proportional to 664,272.80, 996,538.80 and 285,192.80 is: 427,844.84
Step by Step Solution
- Step 1: Write the proportion equation
664,272.80 : 996,538.80 = 285,192.80 : x - Step 2: Convert to fraction form
664,272.80/996,538.80 = 285,192.80/x - Step 3: Cross multiply
664,272.80x = 996,538.80 × 285,192.80 - Step 4: Simplify right side
664,272.80x = 284,205,690,680.64 - Step 5: Solve for x
x = 284,205,690,680.64/664,272.80 - Step 6: Final answer
x = 427,844.84
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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.