Finding the Fourth Proportional to 526,111.84, 726,051.12 and 299,771.92
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Solution
The fourth proportional to 526,111.84, 726,051.12 and 299,771.92 is: 413,694.81
Step by Step Solution
- Step 1: Write the proportion equation
526,111.84 : 726,051.12 = 299,771.92 : x - Step 2: Convert to fraction form
526,111.84/726,051.12 = 299,771.92/x - Step 3: Cross multiply
526,111.84x = 726,051.12 × 299,771.92 - Step 4: Simplify right side
526,111.84x = 217,649,738,260.55 - Step 5: Solve for x
x = 217,649,738,260.55/526,111.84 - Step 6: Final answer
x = 413,694.81
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1.5x scale
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.