Finding the Fourth Proportional to 738,277.20, 1,107,934.20 and 317,854.80
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Solution
The fourth proportional to 738,277.20, 1,107,934.20 and 317,854.80 is: 477,005.39
Step by Step Solution
- Step 1: Write the proportion equation
738,277.20 : 1,107,934.20 = 317,854.80 : x - Step 2: Convert to fraction form
738,277.20/1,107,934.20 = 317,854.80/x - Step 3: Cross multiply
738,277.20x = 1,107,934.20 × 317,854.80 - Step 4: Simplify right side
738,277.20x = 352,162,203,554.16 - Step 5: Solve for x
x = 352,162,203,554.16/738,277.20 - Step 6: Final answer
x = 477,005.39
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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.