Finding the Fourth Proportional to 398,731.19, 597,604.29 and 342,173.75
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Solution
The fourth proportional to 398,731.19, 597,604.29 and 342,173.75 is: 512,837.99
Step by Step Solution
- Step 1: Write the proportion equation
398,731.19 : 597,604.29 = 342,173.75 : x - Step 2: Convert to fraction form
398,731.19/597,604.29 = 342,173.75/x - Step 3: Cross multiply
398,731.19x = 597,604.29 × 342,173.75 - Step 4: Simplify right side
398,731.19x = 204,484,500,925.39 - Step 5: Solve for x
x = 204,484,500,925.39/398,731.19 - Step 6: Final answer
x = 512,837.99
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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.