Finding the Fourth Proportional to 683,997.13, 1,025,442.26 and 284,937.67
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Solution
The fourth proportional to 683,997.13, 1,025,442.26 and 284,937.67 is: 427,175.96
Step by Step Solution
- Step 1: Write the proportion equation
683,997.13 : 1,025,442.26 = 284,937.67 : x - Step 2: Convert to fraction form
683,997.13/1,025,442.26 = 284,937.67/x - Step 3: Cross multiply
683,997.13x = 1,025,442.26 × 284,937.67 - Step 4: Simplify right side
683,997.13x = 292,187,128,283.93 - Step 5: Solve for x
x = 292,187,128,283.93/683,997.13 - Step 6: Final answer
x = 427,175.96
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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.