Finding the Fourth Proportional to 658,836.09, 988,627.68 and 303,850.17
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Solution
The fourth proportional to 658,836.09, 988,627.68 and 303,850.17 is: 455,947.53
Step by Step Solution
- Step 1: Write the proportion equation
658,836.09 : 988,627.68 = 303,850.17 : x - Step 2: Convert to fraction form
658,836.09/988,627.68 = 303,850.17/x - Step 3: Cross multiply
658,836.09x = 988,627.68 × 303,850.17 - Step 4: Simplify right side
658,836.09x = 300,394,688,634.71 - Step 5: Solve for x
x = 300,394,688,634.71/658,836.09 - Step 6: Final answer
x = 455,947.53
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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.