Finding the Fourth Proportional to 711,139.24, 981,619.26 and 409,453.48
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Solution
The fourth proportional to 711,139.24, 981,619.26 and 409,453.48 is: 565,188.08
Step by Step Solution
- Step 1: Write the proportion equation
711,139.24 : 981,619.26 = 409,453.48 : x - Step 2: Convert to fraction form
711,139.24/981,619.26 = 409,453.48/x - Step 3: Cross multiply
711,139.24x = 981,619.26 × 409,453.48 - Step 4: Simplify right side
711,139.24x = 401,927,422,042.03 - Step 5: Solve for x
x = 401,927,422,042.03/711,139.24 - Step 6: Final answer
x = 565,188.08
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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.