Finding the Fourth Proportional to 926,287.75, 1,278,277.10 and 502,351.75
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Solution
The fourth proportional to 926,287.75, 1,278,277.10 and 502,351.75 is: 693,245.42
Step by Step Solution
- Step 1: Write the proportion equation
926,287.75 : 1,278,277.10 = 502,351.75 : x - Step 2: Convert to fraction form
926,287.75/1,278,277.10 = 502,351.75/x - Step 3: Cross multiply
926,287.75x = 1,278,277.10 × 502,351.75 - Step 4: Simplify right side
926,287.75x = 642,144,738,169.93 - Step 5: Solve for x
x = 642,144,738,169.93/926,287.75 - Step 6: Final answer
x = 693,245.42
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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.