Finding the Fourth Proportional to 577,040.56, 796,538.21 and 516,504.40
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Solution
The fourth proportional to 577,040.56, 796,538.21 and 516,504.40 is: 712,974.99
Step by Step Solution
- Step 1: Write the proportion equation
577,040.56 : 796,538.21 = 516,504.40 : x - Step 2: Convert to fraction form
577,040.56/796,538.21 = 516,504.40/x - Step 3: Cross multiply
577,040.56x = 796,538.21 × 516,504.40 - Step 4: Simplify right side
577,040.56x = 411,415,485,659.26 - Step 5: Solve for x
x = 411,415,485,659.26/577,040.56 - Step 6: Final answer
x = 712,974.99
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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.