Finding the Fourth Proportional to 726,014.78, 1,089,243.84 and 371,277.98
Calculator
Solution
The fourth proportional to 726,014.78, 1,089,243.84 and 371,277.98 is: 557,030.33
Step by Step Solution
- Step 1: Write the proportion equation
726,014.78 : 1,089,243.84 = 371,277.98 : x - Step 2: Convert to fraction form
726,014.78/1,089,243.84 = 371,277.98/x - Step 3: Cross multiply
726,014.78x = 1,089,243.84 × 371,277.98 - Step 4: Simplify right side
726,014.78x = 404,412,252,642.64 - Step 5: Solve for x
x = 404,412,252,642.64/726,014.78 - Step 6: Final answer
x = 557,030.33
Related Problems
Find fourth proportional to 363,007.39, 544,621.92 and 185,638.99
Half scale
Find fourth proportional to 1,452,029.56, 2,178,487.68 and 742,555.96
Double scale
Find fourth proportional to 726,015.78, 1,089,245.34 and 371,278.98
Similar ratio
Find fourth proportional to 1,089,022.17, 1,633,865.76 and 556,916.97
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.