Finding the Fourth Proportional to 1,485,284.36, 2,227,969.74 and 363,353
Calculator
Solution
The fourth proportional to 1,485,284.36, 2,227,969.74 and 363,353 is: 545,040.07
Step by Step Solution
- Step 1: Write the proportion equation
1,485,284.36 : 2,227,969.74 = 363,353 : x - Step 2: Convert to fraction form
1,485,284.36/2,227,969.74 = 363,353/x - Step 3: Cross multiply
1,485,284.36x = 2,227,969.74 × 363,353 - Step 4: Simplify right side
1,485,284.36x = 809,539,488,938.22 - Step 5: Solve for x
x = 809,539,488,938.22/1,485,284.36 - Step 6: Final answer
x = 545,040.07
Related Problems
Find fourth proportional to 742,642.18, 1,113,984.87 and 181,676.50
Half scale
Find fourth proportional to 2,970,568.72, 4,455,939.48 and 726,706
Double scale
Find fourth proportional to 1,485,285.36, 2,227,971.24 and 363,354
Similar ratio
Find fourth proportional to 2,227,926.54, 3,341,954.61 and 545,029.50
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.