Finding the Fourth Proportional to 615,425.13, 922,791.42 and 423,524.97
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Solution
The fourth proportional to 615,425.13, 922,791.42 and 423,524.97 is: 635,049.15
Step by Step Solution
- Step 1: Write the proportion equation
615,425.13 : 922,791.42 = 423,524.97 : x - Step 2: Convert to fraction form
615,425.13/922,791.42 = 423,524.97/x - Step 3: Cross multiply
615,425.13x = 922,791.42 × 423,524.97 - Step 4: Simplify right side
615,425.13x = 390,825,208,471.76 - Step 5: Solve for x
x = 390,825,208,471.76/615,425.13 - Step 6: Final answer
x = 635,049.15
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1.5x scale
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.