Finding the Fourth Proportional to 823,663.58, 1,136,646.97 and 461,090.41
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Solution
The fourth proportional to 823,663.58, 1,136,646.97 and 461,090.41 is: 636,299.86
Step by Step Solution
- Step 1: Write the proportion equation
823,663.58 : 1,136,646.97 = 461,090.41 : x - Step 2: Convert to fraction form
823,663.58/1,136,646.97 = 461,090.41/x - Step 3: Cross multiply
823,663.58x = 1,136,646.97 × 461,090.41 - Step 4: Simplify right side
823,663.58x = 524,097,021,118.67 - Step 5: Solve for x
x = 524,097,021,118.67/823,663.58 - Step 6: Final answer
x = 636,299.86
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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.