Finding the Fourth Proportional to 854,514.49, 1,281,377.20 and 314,635.18
Calculator
Solution
The fourth proportional to 854,514.49, 1,281,377.20 and 314,635.18 is: 471,807.50
Step by Step Solution
- Step 1: Write the proportion equation
854,514.49 : 1,281,377.20 = 314,635.18 : x - Step 2: Convert to fraction form
854,514.49/1,281,377.20 = 314,635.18/x - Step 3: Cross multiply
854,514.49x = 1,281,377.20 × 314,635.18 - Step 4: Simplify right side
854,514.49x = 403,166,345,969.90 - Step 5: Solve for x
x = 403,166,345,969.90/854,514.49 - Step 6: Final answer
x = 471,807.50
Related Problems
Find fourth proportional to 427,257.25, 640,688.60 and 157,317.59
Half scale
Find fourth proportional to 1,709,028.98, 2,562,754.40 and 629,270.36
Double scale
Find fourth proportional to 854,515.49, 1,281,378.70 and 314,636.18
Similar ratio
Find fourth proportional to 1,281,771.74, 1,922,065.80 and 471,952.77
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.