Finding the Fourth Proportional to 452,243.05, 678,519.42 and 283,559.74
Calculator
Solution
The fourth proportional to 452,243.05, 678,519.42 and 283,559.74 is: 425,436.70
Step by Step Solution
- Step 1: Write the proportion equation
452,243.05 : 678,519.42 = 283,559.74 : x - Step 2: Convert to fraction form
452,243.05/678,519.42 = 283,559.74/x - Step 3: Cross multiply
452,243.05x = 678,519.42 × 283,559.74 - Step 4: Simplify right side
452,243.05x = 192,400,790,320.15 - Step 5: Solve for x
x = 192,400,790,320.15/452,243.05 - Step 6: Final answer
x = 425,436.70
Related Problems
Find fourth proportional to 226,121.53, 339,259.71 and 141,779.87
Half scale
Find fourth proportional to 904,486.10, 1,357,038.84 and 567,119.48
Double scale
Find fourth proportional to 452,244.05, 678,520.92 and 283,560.74
Similar ratio
Find fourth proportional to 678,364.58, 1,017,779.13 and 425,339.61
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.