Finding the Fourth Proportional to 818,573.25, 1,121,450.76 and 787,892.12
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Solution
The fourth proportional to 818,573.25, 1,121,450.76 and 787,892.12 is: 1,079,417.41
Step by Step Solution
- Step 1: Write the proportion equation
818,573.25 : 1,121,450.76 = 787,892.12 : x - Step 2: Convert to fraction form
818,573.25/1,121,450.76 = 787,892.12/x - Step 3: Cross multiply
818,573.25x = 1,121,450.76 × 787,892.12 - Step 4: Simplify right side
818,573.25x = 883,582,220,740.23 - Step 5: Solve for x
x = 883,582,220,740.23/818,573.25 - Step 6: Final answer
x = 1,079,417.41
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.