Finding the Fourth Proportional to 806,767.38, 1,113,329.76 and 444,183.84
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Solution
The fourth proportional to 806,767.38, 1,113,329.76 and 444,183.84 is: 612,968.62
Step by Step Solution
- Step 1: Write the proportion equation
806,767.38 : 1,113,329.76 = 444,183.84 : x - Step 2: Convert to fraction form
806,767.38/1,113,329.76 = 444,183.84/x - Step 3: Cross multiply
806,767.38x = 1,113,329.76 × 444,183.84 - Step 4: Simplify right side
806,767.38x = 494,523,087,983.08 - Step 5: Solve for x
x = 494,523,087,983.08/806,767.38 - Step 6: Final answer
x = 612,968.62
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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.