Finding the Fourth Proportional to 526,722.84, 726,872.06 and 285,000.08
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Solution
The fourth proportional to 526,722.84, 726,872.06 and 285,000.08 is: 393,297.15
Step by Step Solution
- Step 1: Write the proportion equation
526,722.84 : 726,872.06 = 285,000.08 : x - Step 2: Convert to fraction form
526,722.84/726,872.06 = 285,000.08/x - Step 3: Cross multiply
526,722.84x = 726,872.06 × 285,000.08 - Step 4: Simplify right side
526,722.84x = 207,158,592,327.91 - Step 5: Solve for x
x = 207,158,592,327.91/526,722.84 - Step 6: Final answer
x = 393,297.15
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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.