Finding the Fourth Proportional to 754,538.76, 1,040,736.23 and 512,400.99
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Solution
The fourth proportional to 754,538.76, 1,040,736.23 and 512,400.99 is: 706,755.31
Step by Step Solution
- Step 1: Write the proportion equation
754,538.76 : 1,040,736.23 = 512,400.99 : x - Step 2: Convert to fraction form
754,538.76/1,040,736.23 = 512,400.99/x - Step 3: Cross multiply
754,538.76x = 1,040,736.23 × 512,400.99 - Step 4: Simplify right side
754,538.76x = 533,274,272,018.86 - Step 5: Solve for x
x = 533,274,272,018.86/754,538.76 - Step 6: Final answer
x = 706,755.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.