Finding the Fourth Proportional to 667,593.44, 921,315.84 and 381,205.52
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Solution
The fourth proportional to 667,593.44, 921,315.84 and 381,205.52 is: 526,084.68
Step by Step Solution
- Step 1: Write the proportion equation
667,593.44 : 921,315.84 = 381,205.52 : x - Step 2: Convert to fraction form
667,593.44/921,315.84 = 381,205.52/x - Step 3: Cross multiply
667,593.44x = 921,315.84 × 381,205.52 - Step 4: Simplify right side
667,593.44x = 351,210,683,871.44 - Step 5: Solve for x
x = 351,210,683,871.44/667,593.44 - Step 6: Final answer
x = 526,084.68
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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.