Finding the Fourth Proportional to 738,232.65, 1,107,441.35 and 288,895.50
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Solution
The fourth proportional to 738,232.65, 1,107,441.35 and 288,895.50 is: 433,379.40
Step by Step Solution
- Step 1: Write the proportion equation
738,232.65 : 1,107,441.35 = 288,895.50 : x - Step 2: Convert to fraction form
738,232.65/1,107,441.35 = 288,895.50/x - Step 3: Cross multiply
738,232.65x = 1,107,441.35 × 288,895.50 - Step 4: Simplify right side
738,232.65x = 319,934,822,528.93 - Step 5: Solve for x
x = 319,934,822,528.93/738,232.65 - Step 6: Final answer
x = 433,379.40
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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.