Finding the Fourth Proportional to 565,920.99, 781,081.92 and 324,365.49
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Solution
The fourth proportional to 565,920.99, 781,081.92 and 324,365.49 is: 447,687.97
Step by Step Solution
- Step 1: Write the proportion equation
565,920.99 : 781,081.92 = 324,365.49 : x - Step 2: Convert to fraction form
565,920.99/781,081.92 = 324,365.49/x - Step 3: Cross multiply
565,920.99x = 781,081.92 × 324,365.49 - Step 4: Simplify right side
565,920.99x = 253,356,019,710.94 - Step 5: Solve for x
x = 253,356,019,710.94/565,920.99 - Step 6: Final answer
x = 447,687.97
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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.