Finding the Fourth Proportional to 816,596.21, 1,126,915.87 and 449,087.87
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Solution
The fourth proportional to 816,596.21, 1,126,915.87 and 449,087.87 is: 619,748.47
Step by Step Solution
- Step 1: Write the proportion equation
816,596.21 : 1,126,915.87 = 449,087.87 : x - Step 2: Convert to fraction form
816,596.21/1,126,915.87 = 449,087.87/x - Step 3: Cross multiply
816,596.21x = 1,126,915.87 × 449,087.87 - Step 4: Simplify right side
816,596.21x = 506,084,247,727.50 - Step 5: Solve for x
x = 506,084,247,727.50/816,596.21 - Step 6: Final answer
x = 619,748.47
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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.