Finding the Fourth Proportional to 534,924.19, 738,271.11 and 331,040.80
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Solution
The fourth proportional to 534,924.19, 738,271.11 and 331,040.80 is: 456,883.17
Step by Step Solution
- Step 1: Write the proportion equation
534,924.19 : 738,271.11 = 331,040.80 : x - Step 2: Convert to fraction form
534,924.19/738,271.11 = 331,040.80/x - Step 3: Cross multiply
534,924.19x = 738,271.11 × 331,040.80 - Step 4: Simplify right side
534,924.19x = 244,397,858,871.29 - Step 5: Solve for x
x = 244,397,858,871.29/534,924.19 - Step 6: Final answer
x = 456,883.17
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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.