Finding the Fourth Proportional to 762,775.26, 1,143,719.84 and 289,202.28
Calculator
Solution
The fourth proportional to 762,775.26, 1,143,719.84 and 289,202.28 is: 433,635.44
Step by Step Solution
- Step 1: Write the proportion equation
762,775.26 : 1,143,719.84 = 289,202.28 : x - Step 2: Convert to fraction form
762,775.26/1,143,719.84 = 289,202.28/x - Step 3: Cross multiply
762,775.26x = 1,143,719.84 × 289,202.28 - Step 4: Simplify right side
762,775.26x = 330,766,385,409.24 - Step 5: Solve for x
x = 330,766,385,409.24/762,775.26 - Step 6: Final answer
x = 433,635.44
Related Problems
Find fourth proportional to 381,387.63, 571,859.92 and 144,601.14
Half scale
Find fourth proportional to 1,525,550.52, 2,287,439.68 and 578,404.56
Double scale
Find fourth proportional to 762,776.26, 1,143,721.34 and 289,203.28
Similar ratio
Find fourth proportional to 1,144,162.89, 1,715,579.76 and 433,803.42
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.