Finding the Fourth Proportional to 849,640.26, 1,274,463.68 and 344,210.79
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Solution
The fourth proportional to 849,640.26, 1,274,463.68 and 344,210.79 is: 516,317.52
Step by Step Solution
- Step 1: Write the proportion equation
849,640.26 : 1,274,463.68 = 344,210.79 : x - Step 2: Convert to fraction form
849,640.26/1,274,463.68 = 344,210.79/x - Step 3: Cross multiply
849,640.26x = 1,274,463.68 × 344,210.79 - Step 4: Simplify right side
849,640.26x = 438,684,148,398.05 - Step 5: Solve for x
x = 438,684,148,398.05/849,640.26 - Step 6: Final answer
x = 516,317.52
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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.