Finding the Fourth Proportional to 526,439.80, 726,484.62 and 284,722.66
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Solution
The fourth proportional to 526,439.80, 726,484.62 and 284,722.66 is: 392,916.02
Step by Step Solution
- Step 1: Write the proportion equation
526,439.80 : 726,484.62 = 284,722.66 : x - Step 2: Convert to fraction form
526,439.80/726,484.62 = 284,722.66/x - Step 3: Cross multiply
526,439.80x = 726,484.62 × 284,722.66 - Step 4: Simplify right side
526,439.80x = 206,846,633,455.49 - Step 5: Solve for x
x = 206,846,633,455.49/526,439.80 - Step 6: Final answer
x = 392,916.02
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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.