Finding the Fourth Proportional to 958,978.28, 1,438,468.14 and 327,896.84
Calculator
Solution
The fourth proportional to 958,978.28, 1,438,468.14 and 327,896.84 is: 491,845.51
Step by Step Solution
- Step 1: Write the proportion equation
958,978.28 : 1,438,468.14 = 327,896.84 : x - Step 2: Convert to fraction form
958,978.28/1,438,468.14 = 327,896.84/x - Step 3: Cross multiply
958,978.28x = 1,438,468.14 × 327,896.84 - Step 4: Simplify right side
958,978.28x = 471,669,157,546.68 - Step 5: Solve for x
x = 471,669,157,546.68/958,978.28 - Step 6: Final answer
x = 491,845.51
Related Problems
Find fourth proportional to 479,489.14, 719,234.07 and 163,948.42
Half scale
Find fourth proportional to 1,917,956.56, 2,876,936.28 and 655,793.68
Double scale
Find fourth proportional to 958,979.28, 1,438,469.64 and 327,897.84
Similar ratio
Find fourth proportional to 1,438,467.42, 2,157,702.21 and 491,845.26
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.