Finding the Fourth Proportional to 758,441.05, 1,137,749.05 and 253,069.09
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Solution
The fourth proportional to 758,441.05, 1,137,749.05 and 253,069.09 is: 379,632.82
Step by Step Solution
- Step 1: Write the proportion equation
758,441.05 : 1,137,749.05 = 253,069.09 : x - Step 2: Convert to fraction form
758,441.05/1,137,749.05 = 253,069.09/x - Step 3: Cross multiply
758,441.05x = 1,137,749.05 × 253,069.09 - Step 4: Simplify right side
758,441.05x = 287,929,116,731.87 - Step 5: Solve for x
x = 287,929,116,731.87/758,441.05 - Step 6: Final answer
x = 379,632.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.