Finding the Fourth Proportional to 910,847.20, 1,367,145.60 and 462,074.80
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Solution
The fourth proportional to 910,847.20, 1,367,145.60 and 462,074.80 is: 693,555.99
Step by Step Solution
- Step 1: Write the proportion equation
910,847.20 : 1,367,145.60 = 462,074.80 : x - Step 2: Convert to fraction form
910,847.20/1,367,145.60 = 462,074.80/x - Step 3: Cross multiply
910,847.20x = 1,367,145.60 × 462,074.80 - Step 4: Simplify right side
910,847.20x = 631,723,529,690.88 - Step 5: Solve for x
x = 631,723,529,690.88/910,847.20 - Step 6: Final answer
x = 693,555.99
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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.