Finding the Fourth Proportional to 828,522.26, 1,242,731.76 and 396,546.53
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Solution
The fourth proportional to 828,522.26, 1,242,731.76 and 396,546.53 is: 594,795.08
Step by Step Solution
- Step 1: Write the proportion equation
828,522.26 : 1,242,731.76 = 396,546.53 : x - Step 2: Convert to fraction form
828,522.26/1,242,731.76 = 396,546.53/x - Step 3: Cross multiply
828,522.26x = 1,242,731.76 × 396,546.53 - Step 4: Simplify right side
828,522.26x = 492,800,960,935.13 - Step 5: Solve for x
x = 492,800,960,935.13/828,522.26 - Step 6: Final answer
x = 594,795.08
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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.