Finding the Fourth Proportional to 807,748.97, 1,114,648.11 and 445,171.68
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Solution
The fourth proportional to 807,748.97, 1,114,648.11 and 445,171.68 is: 614,311.86
Step by Step Solution
- Step 1: Write the proportion equation
807,748.97 : 1,114,648.11 = 445,171.68 : x - Step 2: Convert to fraction form
807,748.97/1,114,648.11 = 445,171.68/x - Step 3: Cross multiply
807,748.97x = 1,114,648.11 × 445,171.68 - Step 4: Simplify right side
807,748.97x = 496,209,771,737.53 - Step 5: Solve for x
x = 496,209,771,737.53/807,748.97 - Step 6: Final answer
x = 614,311.86
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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.