Finding the Fourth Proportional to 971,406.26, 1,456,227.25 and 339,975.62
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Solution
The fourth proportional to 971,406.26, 1,456,227.25 and 339,975.62 is: 509,654.69
Step by Step Solution
- Step 1: Write the proportion equation
971,406.26 : 1,456,227.25 = 339,975.62 : x - Step 2: Convert to fraction form
971,406.26/1,456,227.25 = 339,975.62/x - Step 3: Cross multiply
971,406.26x = 1,456,227.25 × 339,975.62 - Step 4: Simplify right side
971,406.26x = 495,081,754,048.57 - Step 5: Solve for x
x = 495,081,754,048.57/971,406.26 - Step 6: Final answer
x = 509,654.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.