Finding the Fourth Proportional to 784,543.11, 1,177,012.31 and 223,575.99
Calculator
Solution
The fourth proportional to 784,543.11, 1,177,012.31 and 223,575.99 is: 335,420.31
Step by Step Solution
- Step 1: Write the proportion equation
784,543.11 : 1,177,012.31 = 223,575.99 : x - Step 2: Convert to fraction form
784,543.11/1,177,012.31 = 223,575.99/x - Step 3: Cross multiply
784,543.11x = 1,177,012.31 × 223,575.99 - Step 4: Simplify right side
784,543.11x = 263,151,691,332.56 - Step 5: Solve for x
x = 263,151,691,332.56/784,543.11 - Step 6: Final answer
x = 335,420.31
Related Problems
Find fourth proportional to 392,271.56, 588,506.15 and 111,788.00
Half scale
Find fourth proportional to 1,569,086.22, 2,354,024.61 and 447,151.98
Double scale
Find fourth proportional to 784,544.11, 1,177,013.81 and 223,576.99
Similar ratio
Find fourth proportional to 1,176,814.67, 1,765,518.46 and 335,363.99
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.