Finding the Fourth Proportional to 823,087.98, 1,135,905.57 and 460,490.22
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Solution
The fourth proportional to 823,087.98, 1,135,905.57 and 460,490.22 is: 635,501.21
Step by Step Solution
- Step 1: Write the proportion equation
823,087.98 : 1,135,905.57 = 460,490.22 : x - Step 2: Convert to fraction form
823,087.98/1,135,905.57 = 460,490.22/x - Step 3: Cross multiply
823,087.98x = 1,135,905.57 × 460,490.22 - Step 4: Simplify right side
823,087.98x = 523,073,405,828.53 - Step 5: Solve for x
x = 523,073,405,828.53/823,087.98 - Step 6: Final answer
x = 635,501.21
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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.