Finding the Fourth Proportional to 671,415.12, 1,007,279.16 and 222,117.84
Calculator
Solution
The fourth proportional to 671,415.12, 1,007,279.16 and 222,117.84 is: 333,228.53
Step by Step Solution
- Step 1: Write the proportion equation
671,415.12 : 1,007,279.16 = 222,117.84 : x - Step 2: Convert to fraction form
671,415.12/1,007,279.16 = 222,117.84/x - Step 3: Cross multiply
671,415.12x = 1,007,279.16 × 222,117.84 - Step 4: Simplify right side
671,415.12x = 223,734,671,296.21 - Step 5: Solve for x
x = 223,734,671,296.21/671,415.12 - Step 6: Final answer
x = 333,228.53
Related Problems
Find fourth proportional to 335,707.56, 503,639.58 and 111,058.92
Half scale
Find fourth proportional to 1,342,830.24, 2,014,558.32 and 444,235.68
Double scale
Find fourth proportional to 671,416.12, 1,007,280.66 and 222,118.84
Similar ratio
Find fourth proportional to 1,007,122.68, 1,510,918.74 and 333,176.76
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.