Finding the Fourth Proportional to 995,378.70, 1,493,068.05 and 746,546.70
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Solution
The fourth proportional to 995,378.70, 1,493,068.05 and 746,546.70 is: 1,119,820.05
Step by Step Solution
- Step 1: Write the proportion equation
995,378.70 : 1,493,068.05 = 746,546.70 : x - Step 2: Convert to fraction form
995,378.70/1,493,068.05 = 746,546.70/x - Step 3: Cross multiply
995,378.70x = 1,493,068.05 × 746,546.70 - Step 4: Simplify right side
995,378.70x = 1,114,645,025,602.94 - Step 5: Solve for x
x = 1,114,645,025,602.94/995,378.70 - Step 6: Final answer
x = 1,119,820.05
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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.