Finding the Fourth Proportional to 800,604.24, 1,104,724.74 and 478,245.91
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Solution
The fourth proportional to 800,604.24, 1,104,724.74 and 478,245.91 is: 659,914.17
Step by Step Solution
- Step 1: Write the proportion equation
800,604.24 : 1,104,724.74 = 478,245.91 : x - Step 2: Convert to fraction form
800,604.24/1,104,724.74 = 478,245.91/x - Step 3: Cross multiply
800,604.24x = 1,104,724.74 × 478,245.91 - Step 4: Simplify right side
800,604.24x = 528,330,084,025.58 - Step 5: Solve for x
x = 528,330,084,025.58/800,604.24 - Step 6: Final answer
x = 659,914.17
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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.