Finding the Fourth Proportional to 762,270.99, 1,143,578.99 and 256,818.23
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Solution
The fourth proportional to 762,270.99, 1,143,578.99 and 256,818.23 is: 385,285.46
Step by Step Solution
- Step 1: Write the proportion equation
762,270.99 : 1,143,578.99 = 256,818.23 : x - Step 2: Convert to fraction form
762,270.99/1,143,578.99 = 256,818.23/x - Step 3: Cross multiply
762,270.99x = 1,143,578.99 × 256,818.23 - Step 4: Simplify right side
762,270.99x = 293,691,930,792.90 - Step 5: Solve for x
x = 293,691,930,792.90/762,270.99 - Step 6: Final answer
x = 385,285.46
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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.