Finding the Fourth Proportional to 526,679.72, 726,812.84 and 284,956.99
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Solution
The fourth proportional to 526,679.72, 726,812.84 and 284,956.99 is: 393,237.84
Step by Step Solution
- Step 1: Write the proportion equation
526,679.72 : 726,812.84 = 284,956.99 : x - Step 2: Convert to fraction form
526,679.72/726,812.84 = 284,956.99/x - Step 3: Cross multiply
526,679.72x = 726,812.84 × 284,956.99 - Step 4: Simplify right side
526,679.72x = 207,110,398,075.11 - Step 5: Solve for x
x = 207,110,398,075.11/526,679.72 - Step 6: Final answer
x = 393,237.84
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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.