Finding the Fourth Proportional to 511,787.27, 768,346.11 and 393,541.62
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Solution
The fourth proportional to 511,787.27, 768,346.11 and 393,541.62 is: 590,823.95
Step by Step Solution
- Step 1: Write the proportion equation
511,787.27 : 768,346.11 = 393,541.62 : x - Step 2: Convert to fraction form
511,787.27/768,346.11 = 393,541.62/x - Step 3: Cross multiply
511,787.27x = 768,346.11 × 393,541.62 - Step 4: Simplify right side
511,787.27x = 302,376,172,850.10 - Step 5: Solve for x
x = 302,376,172,850.10/511,787.27 - Step 6: Final answer
x = 590,823.95
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1.5x scale
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.