Finding the Fourth Proportional to 944,121.30, 1,416,180.66 and 438,405.74
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Solution
The fourth proportional to 944,121.30, 1,416,180.66 and 438,405.74 is: 657,608.02
Step by Step Solution
- Step 1: Write the proportion equation
944,121.30 : 1,416,180.66 = 438,405.74 : x - Step 2: Convert to fraction form
944,121.30/1,416,180.66 = 438,405.74/x - Step 3: Cross multiply
944,121.30x = 1,416,180.66 × 438,405.74 - Step 4: Simplify right side
944,121.30x = 620,861,735,405.46 - Step 5: Solve for x
x = 620,861,735,405.46/944,121.30 - Step 6: Final answer
x = 657,608.02
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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.