Finding the Fourth Proportional to 667,370.32, 921,135.84 and 381,056.48
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Solution
The fourth proportional to 667,370.32, 921,135.84 and 381,056.48 is: 525,952.04
Step by Step Solution
- Step 1: Write the proportion equation
667,370.32 : 921,135.84 = 381,056.48 : x - Step 2: Convert to fraction form
667,370.32/921,135.84 = 381,056.48/x - Step 3: Cross multiply
667,370.32x = 921,135.84 × 381,056.48 - Step 4: Simplify right side
667,370.32x = 351,004,780,792.24 - Step 5: Solve for x
x = 351,004,780,792.24/667,370.32 - Step 6: Final answer
x = 525,952.04
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.