Finding the Fourth Proportional to 823,636.99, 1,136,642.78 and 461,058.70
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Solution
The fourth proportional to 823,636.99, 1,136,642.78 and 461,058.70 is: 636,274.29
Step by Step Solution
- Step 1: Write the proportion equation
823,636.99 : 1,136,642.78 = 461,058.70 : x - Step 2: Convert to fraction form
823,636.99/1,136,642.78 = 461,058.70/x - Step 3: Cross multiply
823,636.99x = 1,136,642.78 × 461,058.70 - Step 4: Simplify right side
823,636.99x = 524,059,042,511.19 - Step 5: Solve for x
x = 524,059,042,511.19/823,636.99 - Step 6: Final answer
x = 636,274.29
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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.