Finding the Fourth Proportional to 662,855.80, 994,283.70 and 219,623.80
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Solution
The fourth proportional to 662,855.80, 994,283.70 and 219,623.80 is: 329,435.70
Step by Step Solution
- Step 1: Write the proportion equation
662,855.80 : 994,283.70 = 219,623.80 : x - Step 2: Convert to fraction form
662,855.80/994,283.70 = 219,623.80/x - Step 3: Cross multiply
662,855.80x = 994,283.70 × 219,623.80 - Step 4: Simplify right side
662,855.80x = 218,368,364,472.06 - Step 5: Solve for x
x = 218,368,364,472.06/662,855.80 - Step 6: Final answer
x = 329,435.70
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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.