Finding the Fourth Proportional to 637,929.80, 956,894.70 and 283,635.80
Calculator
Solution
The fourth proportional to 637,929.80, 956,894.70 and 283,635.80 is: 425,453.70
Step by Step Solution
- Step 1: Write the proportion equation
637,929.80 : 956,894.70 = 283,635.80 : x - Step 2: Convert to fraction form
637,929.80/956,894.70 = 283,635.80/x - Step 3: Cross multiply
637,929.80x = 956,894.70 × 283,635.80 - Step 4: Simplify right side
637,929.80x = 271,409,593,750.26 - Step 5: Solve for x
x = 271,409,593,750.26/637,929.80 - Step 6: Final answer
x = 425,453.70
Related Problems
Find fourth proportional to 318,964.90, 478,447.35 and 141,817.90
Half scale
Find fourth proportional to 1,275,859.60, 1,913,789.40 and 567,271.60
Double scale
Find fourth proportional to 637,930.80, 956,896.20 and 283,636.80
Similar ratio
Find fourth proportional to 956,894.70, 1,435,342.05 and 425,453.70
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.