Finding the Fourth Proportional to 843,855.12, 1,164,521.46 and 461,906.10
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Solution
The fourth proportional to 843,855.12, 1,164,521.46 and 461,906.10 is: 637,431.18
Step by Step Solution
- Step 1: Write the proportion equation
843,855.12 : 1,164,521.46 = 461,906.10 : x - Step 2: Convert to fraction form
843,855.12/1,164,521.46 = 461,906.10/x - Step 3: Cross multiply
843,855.12x = 1,164,521.46 × 461,906.10 - Step 4: Simplify right side
843,855.12x = 537,899,565,954.91 - Step 5: Solve for x
x = 537,899,565,954.91/843,855.12 - Step 6: Final answer
x = 637,431.18
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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.