Finding the Fourth Proportional to 922,417.20, 1,383,625.80 and 886,987.80
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Solution
The fourth proportional to 922,417.20, 1,383,625.80 and 886,987.80 is: 1,330,481.70
Step by Step Solution
- Step 1: Write the proportion equation
922,417.20 : 1,383,625.80 = 886,987.80 : x - Step 2: Convert to fraction form
922,417.20/1,383,625.80 = 886,987.80/x - Step 3: Cross multiply
922,417.20x = 1,383,625.80 × 886,987.80 - Step 4: Simplify right side
922,417.20x = 1,227,259,204,365.24 - Step 5: Solve for x
x = 1,227,259,204,365.24/922,417.20 - Step 6: Final answer
x = 1,330,481.70
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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.