Finding the Fourth Proportional to 937,128.12, 1,405,679.76 and 227,162.58
Calculator
Solution
The fourth proportional to 937,128.12, 1,405,679.76 and 227,162.58 is: 340,740.86
Step by Step Solution
- Step 1: Write the proportion equation
937,128.12 : 1,405,679.76 = 227,162.58 : x - Step 2: Convert to fraction form
937,128.12/1,405,679.76 = 227,162.58/x - Step 3: Cross multiply
937,128.12x = 1,405,679.76 × 227,162.58 - Step 4: Simplify right side
937,128.12x = 319,317,840,935.38 - Step 5: Solve for x
x = 319,317,840,935.38/937,128.12 - Step 6: Final answer
x = 340,740.86
Related Problems
Find fourth proportional to 468,564.06, 702,839.88 and 113,581.29
Half scale
Find fourth proportional to 1,874,256.24, 2,811,359.52 and 454,325.16
Double scale
Find fourth proportional to 937,129.12, 1,405,681.26 and 227,163.58
Similar ratio
Find fourth proportional to 1,405,692.18, 2,108,519.64 and 340,743.87
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.