Finding the Fourth Proportional to 738,518.44, 1,107,334.01 and 288,703.57
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Solution
The fourth proportional to 738,518.44, 1,107,334.01 and 288,703.57 is: 432,881.92
Step by Step Solution
- Step 1: Write the proportion equation
738,518.44 : 1,107,334.01 = 288,703.57 : x - Step 2: Convert to fraction form
738,518.44/1,107,334.01 = 288,703.57/x - Step 3: Cross multiply
738,518.44x = 1,107,334.01 × 288,703.57 - Step 4: Simplify right side
738,518.44x = 319,691,274,889.23 - Step 5: Solve for x
x = 319,691,274,889.23/738,518.44 - Step 6: Final answer
x = 432,881.92
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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.