Finding the Fourth Proportional to 981,702.80, 1,473,331.80 and 382,950.80
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Solution
The fourth proportional to 981,702.80, 1,473,331.80 and 382,950.80 is: 574,729.53
Step by Step Solution
- Step 1: Write the proportion equation
981,702.80 : 1,473,331.80 = 382,950.80 : x - Step 2: Convert to fraction form
981,702.80/1,473,331.80 = 382,950.80/x - Step 3: Cross multiply
981,702.80x = 1,473,331.80 × 382,950.80 - Step 4: Simplify right side
981,702.80x = 564,213,591,475.44 - Step 5: Solve for x
x = 564,213,591,475.44/981,702.80 - Step 6: Final answer
x = 574,729.53
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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.