Finding the Fourth Proportional to 467,958.60, 645,609.69 and 306,903.06
Calculator
Solution
The fourth proportional to 467,958.60, 645,609.69 and 306,903.06 is: 423,412.65
Step by Step Solution
- Step 1: Write the proportion equation
467,958.60 : 645,609.69 = 306,903.06 : x - Step 2: Convert to fraction form
467,958.60/645,609.69 = 306,903.06/x - Step 3: Cross multiply
467,958.60x = 645,609.69 × 306,903.06 - Step 4: Simplify right side
467,958.60x = 198,139,589,426.65 - Step 5: Solve for x
x = 198,139,589,426.65/467,958.60 - Step 6: Final answer
x = 423,412.65
Related Problems
Find fourth proportional to 233,979.30, 322,804.85 and 153,451.53
Half scale
Find fourth proportional to 935,917.20, 1,291,219.38 and 613,806.12
Double scale
Find fourth proportional to 467,959.60, 645,611.07 and 306,904.06
Similar ratio
Find fourth proportional to 701,937.90, 968,414.54 and 460,354.59
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.