Finding the Fourth Proportional to 823,818.24, 1,136,604.96 and 461,188.80
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Solution
The fourth proportional to 823,818.24, 1,136,604.96 and 461,188.80 is: 636,292.63
Step by Step Solution
- Step 1: Write the proportion equation
823,818.24 : 1,136,604.96 = 461,188.80 : x - Step 2: Convert to fraction form
823,818.24/1,136,604.96 = 461,188.80/x - Step 3: Cross multiply
823,818.24x = 1,136,604.96 × 461,188.80 - Step 4: Simplify right side
823,818.24x = 524,189,477,576.45 - Step 5: Solve for x
x = 524,189,477,576.45/823,818.24 - Step 6: Final answer
x = 636,292.63
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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.