Finding the Fourth Proportional to 590,711.16, 815,132.64 and 332,611.68
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Solution
The fourth proportional to 590,711.16, 815,132.64 and 332,611.68 is: 458,976.66
Step by Step Solution
- Step 1: Write the proportion equation
590,711.16 : 815,132.64 = 332,611.68 : x - Step 2: Convert to fraction form
590,711.16/815,132.64 = 332,611.68/x - Step 3: Cross multiply
590,711.16x = 815,132.64 × 332,611.68 - Step 4: Simplify right side
590,711.16x = 271,122,636,813.24 - Step 5: Solve for x
x = 271,122,636,813.24/590,711.16 - Step 6: Final answer
x = 458,976.66
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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.