Finding the Fourth Proportional to 827,292.24, 1,141,786.71 and 505,189.08
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Solution
The fourth proportional to 827,292.24, 1,141,786.71 and 505,189.08 is: 697,236.30
Step by Step Solution
- Step 1: Write the proportion equation
827,292.24 : 1,141,786.71 = 505,189.08 : x - Step 2: Convert to fraction form
827,292.24/1,141,786.71 = 505,189.08/x - Step 3: Cross multiply
827,292.24x = 1,141,786.71 × 505,189.08 - Step 4: Simplify right side
827,292.24x = 576,818,177,581.13 - Step 5: Solve for x
x = 576,818,177,581.13/827,292.24 - Step 6: Final answer
x = 697,236.30
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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.