Finding the Fourth Proportional to 398,735.19, 597,610.29 and 342,177.75
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Solution
The fourth proportional to 398,735.19, 597,610.29 and 342,177.75 is: 512,843.99
Step by Step Solution
- Step 1: Write the proportion equation
398,735.19 : 597,610.29 = 342,177.75 : x - Step 2: Convert to fraction form
398,735.19/597,610.29 = 342,177.75/x - Step 3: Cross multiply
398,735.19x = 597,610.29 × 342,177.75 - Step 4: Simplify right side
398,735.19x = 204,488,944,409.05 - Step 5: Solve for x
x = 204,488,944,409.05/398,735.19 - Step 6: Final answer
x = 512,843.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.