Finding the Fourth Proportional to 834,091.13, 1,250,686.62 and 378,433.68
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Solution
The fourth proportional to 834,091.13, 1,250,686.62 and 378,433.68 is: 567,446.32
Step by Step Solution
- Step 1: Write the proportion equation
834,091.13 : 1,250,686.62 = 378,433.68 : x - Step 2: Convert to fraction form
834,091.13/1,250,686.62 = 378,433.68/x - Step 3: Cross multiply
834,091.13x = 1,250,686.62 × 378,433.68 - Step 4: Simplify right side
834,091.13x = 473,301,940,133.36 - Step 5: Solve for x
x = 473,301,940,133.36/834,091.13 - Step 6: Final answer
x = 567,446.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.