Finding the Fourth Proportional to 974,540.70, 1,461,811.05 and 738,344.70
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Solution
The fourth proportional to 974,540.70, 1,461,811.05 and 738,344.70 is: 1,107,517.05
Step by Step Solution
- Step 1: Write the proportion equation
974,540.70 : 1,461,811.05 = 738,344.70 : x - Step 2: Convert to fraction form
974,540.70/1,461,811.05 = 738,344.70/x - Step 3: Cross multiply
974,540.70x = 1,461,811.05 × 738,344.70 - Step 4: Simplify right side
974,540.70x = 1,079,320,441,168.94 - Step 5: Solve for x
x = 1,079,320,441,168.94/974,540.70 - Step 6: Final answer
x = 1,107,517.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.