Finding the Fourth Proportional to 565,818.62, 780,814.08 and 311,170.01
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Solution
The fourth proportional to 565,818.62, 780,814.08 and 311,170.01 is: 429,406.02
Step by Step Solution
- Step 1: Write the proportion equation
565,818.62 : 780,814.08 = 311,170.01 : x - Step 2: Convert to fraction form
565,818.62/780,814.08 = 311,170.01/x - Step 3: Cross multiply
565,818.62x = 780,814.08 × 311,170.01 - Step 4: Simplify right side
565,818.62x = 242,965,921,177.67 - Step 5: Solve for x
x = 242,965,921,177.67/565,818.62 - Step 6: Final answer
x = 429,406.02
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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.