Finding the Fourth Proportional to 494,783.49, 682,802.55 and 268,428.99
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Solution
The fourth proportional to 494,783.49, 682,802.55 and 268,428.99 is: 370,432.73
Step by Step Solution
- Step 1: Write the proportion equation
494,783.49 : 682,802.55 = 268,428.99 : x - Step 2: Convert to fraction form
494,783.49/682,802.55 = 268,428.99/x - Step 3: Cross multiply
494,783.49x = 682,802.55 × 268,428.99 - Step 4: Simplify right side
494,783.49x = 183,283,998,865.93 - Step 5: Solve for x
x = 183,283,998,865.93/494,783.49 - Step 6: Final answer
x = 370,432.73
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1.5x scale
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.