Finding the Fourth Proportional to 682,764.98, 942,215.06 and 380,958.98
Calculator
Solution
The fourth proportional to 682,764.98, 942,215.06 and 380,958.98 is: 525,723.05
Step by Step Solution
- Step 1: Write the proportion equation
682,764.98 : 942,215.06 = 380,958.98 : x - Step 2: Convert to fraction form
682,764.98/942,215.06 = 380,958.98/x - Step 3: Cross multiply
682,764.98x = 942,215.06 × 380,958.98 - Step 4: Simplify right side
682,764.98x = 358,945,288,198.24 - Step 5: Solve for x
x = 358,945,288,198.24/682,764.98 - Step 6: Final answer
x = 525,723.05
Related Problems
Find fourth proportional to 341,382.49, 471,107.53 and 190,479.49
Half scale
Find fourth proportional to 1,365,529.96, 1,884,430.12 and 761,917.96
Double scale
Find fourth proportional to 682,765.98, 942,216.44 and 380,959.98
Similar ratio
Find fourth proportional to 1,024,147.47, 1,413,322.59 and 571,438.47
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.