Finding the Fourth Proportional to 756,034.20, 1,134,569.70 and 335,611.80
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Solution
The fourth proportional to 756,034.20, 1,134,569.70 and 335,611.80 is: 503,647.82
Step by Step Solution
- Step 1: Write the proportion equation
756,034.20 : 1,134,569.70 = 335,611.80 : x - Step 2: Convert to fraction form
756,034.20/1,134,569.70 = 335,611.80/x - Step 3: Cross multiply
756,034.20x = 1,134,569.70 × 335,611.80 - Step 4: Simplify right side
756,034.20x = 380,774,979,242.46 - Step 5: Solve for x
x = 380,774,979,242.46/756,034.20 - Step 6: Final answer
x = 503,647.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.