Finding the Fourth Proportional to 989,824.26, 1,365,961.12 and 537,115.26
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Solution
The fourth proportional to 989,824.26, 1,365,961.12 and 537,115.26 is: 741,221.03
Step by Step Solution
- Step 1: Write the proportion equation
989,824.26 : 1,365,961.12 = 537,115.26 : x - Step 2: Convert to fraction form
989,824.26/1,365,961.12 = 537,115.26/x - Step 3: Cross multiply
989,824.26x = 1,365,961.12 × 537,115.26 - Step 4: Simplify right side
989,824.26x = 733,678,562,118.69 - Step 5: Solve for x
x = 733,678,562,118.69/989,824.26 - Step 6: Final answer
x = 741,221.03
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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.