Finding the Fourth Proportional to 800,604.15, 1,104,724.61 and 478,245.81
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Solution
The fourth proportional to 800,604.15, 1,104,724.61 and 478,245.81 is: 659,914.04
Step by Step Solution
- Step 1: Write the proportion equation
800,604.15 : 1,104,724.61 = 478,245.81 : x - Step 2: Convert to fraction form
800,604.15/1,104,724.61 = 478,245.81/x - Step 3: Cross multiply
800,604.15x = 1,104,724.61 × 478,245.81 - Step 4: Simplify right side
800,604.15x = 528,329,918,136.23 - Step 5: Solve for x
x = 528,329,918,136.23/800,604.15 - Step 6: Final answer
x = 659,914.04
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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.