Finding the Fourth Proportional to 614,373.12, 921,421.44 and 220,389.12
Calculator
Solution
The fourth proportional to 614,373.12, 921,421.44 and 220,389.12 is: 330,534.09
Step by Step Solution
- Step 1: Write the proportion equation
614,373.12 : 921,421.44 = 220,389.12 : x - Step 2: Convert to fraction form
614,373.12/921,421.44 = 220,389.12/x - Step 3: Cross multiply
614,373.12x = 921,421.44 × 220,389.12 - Step 4: Simplify right side
614,373.12x = 203,071,260,310.73 - Step 5: Solve for x
x = 203,071,260,310.73/614,373.12 - Step 6: Final answer
x = 330,534.09
Related Problems
Find fourth proportional to 307,186.56, 460,710.72 and 110,194.56
Half scale
Find fourth proportional to 1,228,746.24, 1,842,842.88 and 440,778.24
Double scale
Find fourth proportional to 614,374.12, 921,422.94 and 220,390.12
Similar ratio
Find fourth proportional to 921,559.68, 1,382,132.16 and 330,583.68
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.