Finding the Fourth Proportional to 582,439.84, 804,014.97 and 391,563.94
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Solution
The fourth proportional to 582,439.84, 804,014.97 and 391,563.94 is: 540,524.96
Step by Step Solution
- Step 1: Write the proportion equation
582,439.84 : 804,014.97 = 391,563.94 : x - Step 2: Convert to fraction form
582,439.84/804,014.97 = 391,563.94/x - Step 3: Cross multiply
582,439.84x = 804,014.97 × 391,563.94 - Step 4: Simplify right side
582,439.84x = 314,823,269,472.18 - Step 5: Solve for x
x = 314,823,269,472.18/582,439.84 - Step 6: Final answer
x = 540,524.96
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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.