Finding the Fourth Proportional to 470,207.98, 649,085.63 and 317,453.07
Calculator
Solution
The fourth proportional to 470,207.98, 649,085.63 and 317,453.07 is: 438,219.33
Step by Step Solution
- Step 1: Write the proportion equation
470,207.98 : 649,085.63 = 317,453.07 : x - Step 2: Convert to fraction form
470,207.98/649,085.63 = 317,453.07/x - Step 3: Cross multiply
470,207.98x = 649,085.63 × 317,453.07 - Step 4: Simplify right side
470,207.98x = 206,054,225,936.38 - Step 5: Solve for x
x = 206,054,225,936.38/470,207.98 - Step 6: Final answer
x = 438,219.33
Related Problems
Find fourth proportional to 235,103.99, 324,542.82 and 158,726.54
Half scale
Find fourth proportional to 940,415.96, 1,298,171.26 and 634,906.14
Double scale
Find fourth proportional to 470,208.98, 649,087.01 and 317,454.07
Similar ratio
Find fourth proportional to 705,311.97, 973,628.45 and 476,179.61
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.