Finding the Fourth Proportional to 901,352.22, 1,243,864.11 and 493,450.75
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Solution
The fourth proportional to 901,352.22, 1,243,864.11 and 493,450.75 is: 680,960.97
Step by Step Solution
- Step 1: Write the proportion equation
901,352.22 : 1,243,864.11 = 493,450.75 : x - Step 2: Convert to fraction form
901,352.22/1,243,864.11 = 493,450.75/x - Step 3: Cross multiply
901,352.22x = 1,243,864.11 × 493,450.75 - Step 4: Simplify right side
901,352.22x = 613,785,677,977.58 - Step 5: Solve for x
x = 613,785,677,977.58/901,352.22 - Step 6: Final answer
x = 680,960.97
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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.