Finding the Fourth Proportional to 625,197.95, 862,774.02 and 338,718.05
Calculator
Solution
The fourth proportional to 625,197.95, 862,774.02 and 338,718.05 is: 467,431.37
Step by Step Solution
- Step 1: Write the proportion equation
625,197.95 : 862,774.02 = 338,718.05 : x - Step 2: Convert to fraction form
625,197.95/862,774.02 = 338,718.05/x - Step 3: Cross multiply
625,197.95x = 862,774.02 × 338,718.05 - Step 4: Simplify right side
625,197.95x = 292,237,129,331.19 - Step 5: Solve for x
x = 292,237,129,331.19/625,197.95 - Step 6: Final answer
x = 467,431.37
Related Problems
Find fourth proportional to 312,598.97, 431,387.01 and 169,359.02
Half scale
Find fourth proportional to 1,250,395.89, 1,725,548.04 and 677,436.09
Double scale
Find fourth proportional to 625,198.95, 862,775.40 and 338,719.05
Similar ratio
Find fourth proportional to 937,796.92, 1,294,161.03 and 508,077.07
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.