Finding the Fourth Proportional to 574,428.70, 861,643.05 and 147,963.70
Calculator
Solution
The fourth proportional to 574,428.70, 861,643.05 and 147,963.70 is: 221,945.55
Step by Step Solution
- Step 1: Write the proportion equation
574,428.70 : 861,643.05 = 147,963.70 : x - Step 2: Convert to fraction form
574,428.70/861,643.05 = 147,963.70/x - Step 3: Cross multiply
574,428.70x = 861,643.05 × 147,963.70 - Step 4: Simplify right side
574,428.70x = 127,491,893,757.29 - Step 5: Solve for x
x = 127,491,893,757.29/574,428.70 - Step 6: Final answer
x = 221,945.55
Related Problems
Find fourth proportional to 287,214.35, 430,821.53 and 73,981.85
Half scale
Find fourth proportional to 1,148,857.40, 1,723,286.10 and 295,927.40
Double scale
Find fourth proportional to 574,429.70, 861,644.55 and 147,964.70
Similar ratio
Find fourth proportional to 861,643.05, 1,292,464.58 and 221,945.55
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.