Finding the Fourth Proportional to 565,944.26, 780,986.79 and 311,295.47
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Solution
The fourth proportional to 565,944.26, 780,986.79 and 311,295.47 is: 429,578.79
Step by Step Solution
- Step 1: Write the proportion equation
565,944.26 : 780,986.79 = 311,295.47 : x - Step 2: Convert to fraction form
565,944.26/780,986.79 = 311,295.47/x - Step 3: Cross multiply
565,944.26x = 780,986.79 × 311,295.47 - Step 4: Simplify right side
565,944.26x = 243,117,645,951.91 - Step 5: Solve for x
x = 243,117,645,951.91/565,944.26 - Step 6: Final answer
x = 429,578.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.