Finding the Fourth Proportional to 489,512.97, 734,266.49 and 266,292.09
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Solution
The fourth proportional to 489,512.97, 734,266.49 and 266,292.09 is: 399,436.52
Step by Step Solution
- Step 1: Write the proportion equation
489,512.97 : 734,266.49 = 266,292.09 : x - Step 2: Convert to fraction form
489,512.97/734,266.49 = 266,292.09/x - Step 3: Cross multiply
489,512.97x = 734,266.49 × 266,292.09 - Step 4: Simplify right side
489,512.97x = 195,529,356,907.60 - Step 5: Solve for x
x = 195,529,356,907.60/489,512.97 - Step 6: Final answer
x = 399,436.52
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1.5x scale
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.