Finding the Fourth Proportional to 986,738.26, 1,478,915.46 and 480,540.70
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Solution
The fourth proportional to 986,738.26, 1,478,915.46 and 480,540.70 is: 720,230.58
Step by Step Solution
- Step 1: Write the proportion equation
986,738.26 : 1,478,915.46 = 480,540.70 : x - Step 2: Convert to fraction form
986,738.26/1,478,915.46 = 480,540.70/x - Step 3: Cross multiply
986,738.26x = 1,478,915.46 × 480,540.70 - Step 4: Simplify right side
986,738.26x = 710,679,070,389.22 - Step 5: Solve for x
x = 710,679,070,389.22/986,738.26 - Step 6: Final answer
x = 720,230.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.