Finding the Fourth Proportional to 398,644.93, 597,376.68 and 328,069.08
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Solution
The fourth proportional to 398,644.93, 597,376.68 and 328,069.08 is: 491,617.47
Step by Step Solution
- Step 1: Write the proportion equation
398,644.93 : 597,376.68 = 328,069.08 : x - Step 2: Convert to fraction form
398,644.93/597,376.68 = 328,069.08/x - Step 3: Cross multiply
398,644.93x = 597,376.68 × 328,069.08 - Step 4: Simplify right side
398,644.93x = 195,980,813,193.83 - Step 5: Solve for x
x = 195,980,813,193.83/398,644.93 - Step 6: Final answer
x = 491,617.47
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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.