Finding the Fourth Proportional to 490,336.98, 736,612.68 and 290,788.26
Calculator
Solution
The fourth proportional to 490,336.98, 736,612.68 and 290,788.26 is: 436,839.01
Step by Step Solution
- Step 1: Write the proportion equation
490,336.98 : 736,612.68 = 290,788.26 : x - Step 2: Convert to fraction form
490,336.98/736,612.68 = 290,788.26/x - Step 3: Cross multiply
490,336.98x = 736,612.68 × 290,788.26 - Step 4: Simplify right side
490,336.98x = 214,198,319,511.14 - Step 5: Solve for x
x = 214,198,319,511.14/490,336.98 - Step 6: Final answer
x = 436,839.01
Related Problems
Find fourth proportional to 245,168.49, 368,306.34 and 145,394.13
Half scale
Find fourth proportional to 980,673.96, 1,473,225.36 and 581,576.52
Double scale
Find fourth proportional to 490,337.98, 736,614.18 and 290,789.26
Similar ratio
Find fourth proportional to 735,505.47, 1,104,919.02 and 436,182.39
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.