Finding the Fourth Proportional to 723,450.24, 998,371.98 and 396,794.52
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Solution
The fourth proportional to 723,450.24, 998,371.98 and 396,794.52 is: 547,582.28
Step by Step Solution
- Step 1: Write the proportion equation
723,450.24 : 998,371.98 = 396,794.52 : x - Step 2: Convert to fraction form
723,450.24/998,371.98 = 396,794.52/x - Step 3: Cross multiply
723,450.24x = 998,371.98 × 396,794.52 - Step 4: Simplify right side
723,450.24x = 396,148,530,585.55 - Step 5: Solve for x
x = 396,148,530,585.55/723,450.24 - Step 6: Final answer
x = 547,582.28
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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.