Finding the Fourth Proportional to 517,130.28, 713,288.97 and 335,517.75
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Solution
The fourth proportional to 517,130.28, 713,288.97 and 335,517.75 is: 462,786.88
Step by Step Solution
- Step 1: Write the proportion equation
517,130.28 : 713,288.97 = 335,517.75 : x - Step 2: Convert to fraction form
517,130.28/713,288.97 = 335,517.75/x - Step 3: Cross multiply
517,130.28x = 713,288.97 × 335,517.75 - Step 4: Simplify right side
517,130.28x = 239,321,110,314.22 - Step 5: Solve for x
x = 239,321,110,314.22/517,130.28 - Step 6: Final answer
x = 462,786.88
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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.