Finding the Fourth Proportional to 761,259.24, 1,050,649.56 and 438,906.24
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Solution
The fourth proportional to 761,259.24, 1,050,649.56 and 438,906.24 is: 605,755.07
Step by Step Solution
- Step 1: Write the proportion equation
761,259.24 : 1,050,649.56 = 438,906.24 : x - Step 2: Convert to fraction form
761,259.24/1,050,649.56 = 438,906.24/x - Step 3: Cross multiply
761,259.24x = 1,050,649.56 × 438,906.24 - Step 4: Simplify right side
761,259.24x = 461,136,647,937.25 - Step 5: Solve for x
x = 461,136,647,937.25/761,259.24 - Step 6: Final answer
x = 605,755.07
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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.