Finding the Fourth Proportional to 823,852.12, 1,136,855.10 and 461,192.44
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Solution
The fourth proportional to 823,852.12, 1,136,855.10 and 461,192.44 is: 636,411.52
Step by Step Solution
- Step 1: Write the proportion equation
823,852.12 : 1,136,855.10 = 461,192.44 : x - Step 2: Convert to fraction form
823,852.12/1,136,855.10 = 461,192.44/x - Step 3: Cross multiply
823,852.12x = 1,136,855.10 × 461,192.44 - Step 4: Simplify right side
823,852.12x = 524,308,977,495.44 - Step 5: Solve for x
x = 524,308,977,495.44/823,852.12 - Step 6: Final answer
x = 636,411.52
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1.5x scale
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.