Finding the Fourth Proportional to 922,305.55, 1,383,419.06 and 315,148.42
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Solution
The fourth proportional to 922,305.55, 1,383,419.06 and 315,148.42 is: 472,709.21
Step by Step Solution
- Step 1: Write the proportion equation
922,305.55 : 1,383,419.06 = 315,148.42 : x - Step 2: Convert to fraction form
922,305.55/1,383,419.06 = 315,148.42/x - Step 3: Cross multiply
922,305.55x = 1,383,419.06 × 315,148.42 - Step 4: Simplify right side
922,305.55x = 435,982,322,464.05 - Step 5: Solve for x
x = 435,982,322,464.05/922,305.55 - Step 6: Final answer
x = 472,709.21
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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.