Finding the Fourth Proportional to 565,472.16, 780,311.76 and 310,839.84
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Solution
The fourth proportional to 565,472.16, 780,311.76 and 310,839.84 is: 428,937.09
Step by Step Solution
- Step 1: Write the proportion equation
565,472.16 : 780,311.76 = 310,839.84 : x - Step 2: Convert to fraction form
565,472.16/780,311.76 = 310,839.84/x - Step 3: Cross multiply
565,472.16x = 780,311.76 × 310,839.84 - Step 4: Simplify right side
565,472.16x = 242,551,982,628.52 - Step 5: Solve for x
x = 242,551,982,628.52/565,472.16 - Step 6: Final answer
x = 428,937.09
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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.