Finding the Fourth Proportional to 710,968.96, 981,148.88 and 424,514.08
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Solution
The fourth proportional to 710,968.96, 981,148.88 and 424,514.08 is: 585,836.43
Step by Step Solution
- Step 1: Write the proportion equation
710,968.96 : 981,148.88 = 424,514.08 : x - Step 2: Convert to fraction form
710,968.96/981,148.88 = 424,514.08/x - Step 3: Cross multiply
710,968.96x = 981,148.88 × 424,514.08 - Step 4: Simplify right side
710,968.96x = 416,511,514,136.23 - Step 5: Solve for x
x = 416,511,514,136.23/710,968.96 - Step 6: Final answer
x = 585,836.43
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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.