Finding the Fourth Proportional to 499,409.63, 688,725.67 and 327,265.07
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Solution
The fourth proportional to 499,409.63, 688,725.67 and 327,265.07 is: 451,324.61
Step by Step Solution
- Step 1: Write the proportion equation
499,409.63 : 688,725.67 = 327,265.07 : x - Step 2: Convert to fraction form
499,409.63/688,725.67 = 327,265.07/x - Step 3: Cross multiply
499,409.63x = 688,725.67 × 327,265.07 - Step 4: Simplify right side
499,409.63x = 225,395,853,742.44 - Step 5: Solve for x
x = 225,395,853,742.44/499,409.63 - Step 6: Final answer
x = 451,324.61
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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.