Finding the Fourth Proportional to 910,315.21, 1,365,648.98 and 349,306.09
Calculator
Solution
The fourth proportional to 910,315.21, 1,365,648.98 and 349,306.09 is: 524,026.73
Step by Step Solution
- Step 1: Write the proportion equation
910,315.21 : 1,365,648.98 = 349,306.09 : x - Step 2: Convert to fraction form
910,315.21/1,365,648.98 = 349,306.09/x - Step 3: Cross multiply
910,315.21x = 1,365,648.98 × 349,306.09 - Step 4: Simplify right side
910,315.21x = 477,029,505,516.29 - Step 5: Solve for x
x = 477,029,505,516.29/910,315.21 - Step 6: Final answer
x = 524,026.73
Related Problems
Find fourth proportional to 455,157.61, 682,824.49 and 174,653.05
Half scale
Find fourth proportional to 1,820,630.42, 2,731,297.96 and 698,612.18
Double scale
Find fourth proportional to 910,316.21, 1,365,650.48 and 349,307.09
Similar ratio
Find fourth proportional to 1,365,472.82, 2,048,473.47 and 523,959.14
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.