Finding the Fourth Proportional to 590,378.51, 814,718.18 and 335,729.63
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Solution
The fourth proportional to 590,378.51, 814,718.18 and 335,729.63 is: 463,304.52
Step by Step Solution
- Step 1: Write the proportion equation
590,378.51 : 814,718.18 = 335,729.63 : x - Step 2: Convert to fraction form
590,378.51/814,718.18 = 335,729.63/x - Step 3: Cross multiply
590,378.51x = 814,718.18 × 335,729.63 - Step 4: Simplify right side
590,378.51x = 273,525,027,373.43 - Step 5: Solve for x
x = 273,525,027,373.43/590,378.51 - Step 6: Final answer
x = 463,304.52
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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.