Finding the Fourth Proportional to 920,519.68, 1,269,662.77 and 614,441.74
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Solution
The fourth proportional to 920,519.68, 1,269,662.77 and 614,441.74 is: 847,492.79
Step by Step Solution
- Step 1: Write the proportion equation
920,519.68 : 1,269,662.77 = 614,441.74 : x - Step 2: Convert to fraction form
920,519.68/1,269,662.77 = 614,441.74/x - Step 3: Cross multiply
920,519.68x = 1,269,662.77 × 614,441.74 - Step 4: Simplify right side
920,519.68x = 780,133,792,191.50 - Step 5: Solve for x
x = 780,133,792,191.50/920,519.68 - Step 6: Final answer
x = 847,492.79
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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.