Finding the Fourth Proportional to 800,647.75, 1,104,894.71 and 461,116.81
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Solution
The fourth proportional to 800,647.75, 1,104,894.71 and 461,116.81 is: 636,341.67
Step by Step Solution
- Step 1: Write the proportion equation
800,647.75 : 1,104,894.71 = 461,116.81 : x - Step 2: Convert to fraction form
800,647.75/1,104,894.71 = 461,116.81/x - Step 3: Cross multiply
800,647.75x = 1,104,894.71 × 461,116.81 - Step 4: Simplify right side
800,647.75x = 509,485,524,061.08 - Step 5: Solve for x
x = 509,485,524,061.08/800,647.75 - Step 6: Final answer
x = 636,341.67
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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.