Finding the Fourth Proportional to 758,874.88, 1,047,122.99 and 448,734.43
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Solution
The fourth proportional to 758,874.88, 1,047,122.99 and 448,734.43 is: 619,179.99
Step by Step Solution
- Step 1: Write the proportion equation
758,874.88 : 1,047,122.99 = 448,734.43 : x - Step 2: Convert to fraction form
758,874.88/1,047,122.99 = 448,734.43/x - Step 3: Cross multiply
758,874.88x = 1,047,122.99 × 448,734.43 - Step 4: Simplify right side
758,874.88x = 469,880,141,329.66 - Step 5: Solve for x
x = 469,880,141,329.66/758,874.88 - Step 6: Final answer
x = 619,179.99
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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.