Finding the Fourth Proportional to 512,967.97, 707,528.64 and 360,040.28
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Solution
The fourth proportional to 512,967.97, 707,528.64 and 360,040.28 is: 496,597.88
Step by Step Solution
- Step 1: Write the proportion equation
512,967.97 : 707,528.64 = 360,040.28 : x - Step 2: Convert to fraction form
512,967.97/707,528.64 = 360,040.28/x - Step 3: Cross multiply
512,967.97x = 707,528.64 × 360,040.28 - Step 4: Simplify right side
512,967.97x = 254,738,806,115.98 - Step 5: Solve for x
x = 254,738,806,115.98/512,967.97 - Step 6: Final answer
x = 496,597.88
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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.