Finding the Fourth Proportional to 761,625.56, 1,051,043.29 and 422,115.68
Calculator
Solution
The fourth proportional to 761,625.56, 1,051,043.29 and 422,115.68 is: 582,519.65
Step by Step Solution
- Step 1: Write the proportion equation
761,625.56 : 1,051,043.29 = 422,115.68 : x - Step 2: Convert to fraction form
761,625.56/1,051,043.29 = 422,115.68/x - Step 3: Cross multiply
761,625.56x = 1,051,043.29 × 422,115.68 - Step 4: Simplify right side
761,625.56x = 443,661,854,640.11 - Step 5: Solve for x
x = 443,661,854,640.11/761,625.56 - Step 6: Final answer
x = 582,519.65
Related Problems
Find fourth proportional to 380,812.78, 525,521.64 and 211,057.84
Half scale
Find fourth proportional to 1,523,251.13, 2,102,086.58 and 844,231.37
Double scale
Find fourth proportional to 761,626.56, 1,051,044.67 and 422,116.68
Similar ratio
Find fourth proportional to 1,142,438.34, 1,576,564.93 and 633,173.52
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.