Finding the Fourth Proportional to 827,345.12, 1,141,841.84 and 504,986.24
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Solution
The fourth proportional to 827,345.12, 1,141,841.84 and 504,986.24 is: 696,945.45
Step by Step Solution
- Step 1: Write the proportion equation
827,345.12 : 1,141,841.84 = 504,986.24 : x - Step 2: Convert to fraction form
827,345.12/1,141,841.84 = 504,986.24/x - Step 3: Cross multiply
827,345.12x = 1,141,841.84 × 504,986.24 - Step 4: Simplify right side
827,345.12x = 576,614,417,456.28 - Step 5: Solve for x
x = 576,614,417,456.28/827,345.12 - Step 6: Final answer
x = 696,945.45
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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.