Finding the Fourth Proportional to 616,615.21, 850,911.10 and 344,683.63
Calculator
Solution
The fourth proportional to 616,615.21, 850,911.10 and 344,683.63 is: 475,653.41
Step by Step Solution
- Step 1: Write the proportion equation
616,615.21 : 850,911.10 = 344,683.63 : x - Step 2: Convert to fraction form
616,615.21/850,911.10 = 344,683.63/x - Step 3: Cross multiply
616,615.21x = 850,911.10 × 344,683.63 - Step 4: Simplify right side
616,615.21x = 293,295,126,755.29 - Step 5: Solve for x
x = 293,295,126,755.29/616,615.21 - Step 6: Final answer
x = 475,653.41
Related Problems
Find fourth proportional to 308,307.61, 425,455.55 and 172,341.82
Half scale
Find fourth proportional to 1,233,230.42, 1,701,822.20 and 689,367.26
Double scale
Find fourth proportional to 616,616.21, 850,912.48 and 344,684.63
Similar ratio
Find fourth proportional to 924,922.82, 1,276,366.65 and 517,025.45
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.