Finding the Fourth Proportional to 504,422.38, 696,107.55 and 278,075.98
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Solution
The fourth proportional to 504,422.38, 696,107.55 and 278,075.98 is: 383,747.42
Step by Step Solution
- Step 1: Write the proportion equation
504,422.38 : 696,107.55 = 278,075.98 : x - Step 2: Convert to fraction form
504,422.38/696,107.55 = 278,075.98/x - Step 3: Cross multiply
504,422.38x = 696,107.55 × 278,075.98 - Step 4: Simplify right side
504,422.38x = 193,570,789,151.65 - Step 5: Solve for x
x = 193,570,789,151.65/504,422.38 - Step 6: Final answer
x = 383,747.42
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1.5x scale
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.