Finding the Fourth Proportional to 599,951.64, 828,141.84 and 345,404.28
Calculator
Solution
The fourth proportional to 599,951.64, 828,141.84 and 345,404.28 is: 476,777.99
Step by Step Solution
- Step 1: Write the proportion equation
599,951.64 : 828,141.84 = 345,404.28 : x - Step 2: Convert to fraction form
599,951.64/828,141.84 = 345,404.28/x - Step 3: Cross multiply
599,951.64x = 828,141.84 × 345,404.28 - Step 4: Simplify right side
599,951.64x = 286,043,735,983.08 - Step 5: Solve for x
x = 286,043,735,983.08/599,951.64 - Step 6: Final answer
x = 476,777.99
Related Problems
Find fourth proportional to 299,975.82, 414,070.92 and 172,702.14
Half scale
Find fourth proportional to 1,199,903.28, 1,656,283.68 and 690,808.56
Double scale
Find fourth proportional to 599,952.64, 828,143.22 and 345,405.28
Similar ratio
Find fourth proportional to 899,927.46, 1,242,212.76 and 518,106.42
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.