Finding the Fourth Proportional to 588,179.90, 811,685.99 and 330,056.26
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Solution
The fourth proportional to 588,179.90, 811,685.99 and 330,056.26 is: 455,476.36
Step by Step Solution
- Step 1: Write the proportion equation
588,179.90 : 811,685.99 = 330,056.26 : x - Step 2: Convert to fraction form
588,179.90/811,685.99 = 330,056.26/x - Step 3: Cross multiply
588,179.90x = 811,685.99 × 330,056.26 - Step 4: Simplify right side
588,179.90x = 267,902,040,949.72 - Step 5: Solve for x
x = 267,902,040,949.72/588,179.90 - Step 6: Final answer
x = 455,476.36
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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.