Finding the Fourth Proportional to 888,516.54, 1,330,010.69 and 482,693.99
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Solution
The fourth proportional to 888,516.54, 1,330,010.69 and 482,693.99 is: 722,539.34
Step by Step Solution
- Step 1: Write the proportion equation
888,516.54 : 1,330,010.69 = 482,693.99 : x - Step 2: Convert to fraction form
888,516.54/1,330,010.69 = 482,693.99/x - Step 3: Cross multiply
888,516.54x = 1,330,010.69 × 482,693.99 - Step 4: Simplify right side
888,516.54x = 641,988,157,635.23 - Step 5: Solve for x
x = 641,988,157,635.23/888,516.54 - Step 6: Final answer
x = 722,539.34
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1.5x scale
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.