Finding the Fourth Proportional to 895,612.05, 1,234,638.99 and 680,378.58
Calculator
Solution
The fourth proportional to 895,612.05, 1,234,638.99 and 680,378.58 is: 937,930.57
Step by Step Solution
- Step 1: Write the proportion equation
895,612.05 : 1,234,638.99 = 680,378.58 : x - Step 2: Convert to fraction form
895,612.05/1,234,638.99 = 680,378.58/x - Step 3: Cross multiply
895,612.05x = 1,234,638.99 × 680,378.58 - Step 4: Simplify right side
895,612.05x = 840,021,922,828.83 - Step 5: Solve for x
x = 840,021,922,828.83/895,612.05 - Step 6: Final answer
x = 937,930.57
Related Problems
Find fourth proportional to 447,806.03, 617,319.50 and 340,189.29
Half scale
Find fourth proportional to 1,791,224.10, 2,469,277.98 and 1,360,757.16
Double scale
Find fourth proportional to 895,613.05, 1,234,640.37 and 680,379.58
Similar ratio
Find fourth proportional to 1,343,418.08, 1,851,958.49 and 1,020,567.87
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.