Finding the Fourth Proportional to 560,786.25, 773,888.27 and 306,140.07
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Solution
The fourth proportional to 560,786.25, 773,888.27 and 306,140.07 is: 422,475.07
Step by Step Solution
- Step 1: Write the proportion equation
560,786.25 : 773,888.27 = 306,140.07 : x - Step 2: Convert to fraction form
560,786.25/773,888.27 = 306,140.07/x - Step 3: Cross multiply
560,786.25x = 773,888.27 × 306,140.07 - Step 4: Simplify right side
560,786.25x = 236,918,207,619.28 - Step 5: Solve for x
x = 236,918,207,619.28/560,786.25 - Step 6: Final answer
x = 422,475.07
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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.