Finding the Fourth Proportional to 508,740.60, 702,064.74 and 317,864.70
Calculator
Solution
The fourth proportional to 508,740.60, 702,064.74 and 317,864.70 is: 438,654.98
Step by Step Solution
- Step 1: Write the proportion equation
508,740.60 : 702,064.74 = 317,864.70 : x - Step 2: Convert to fraction form
508,740.60/702,064.74 = 317,864.70/x - Step 3: Cross multiply
508,740.60x = 702,064.74 × 317,864.70 - Step 4: Simplify right side
508,740.60x = 223,161,597,960.68 - Step 5: Solve for x
x = 223,161,597,960.68/508,740.60 - Step 6: Final answer
x = 438,654.98
Related Problems
Find fourth proportional to 254,370.30, 351,032.37 and 158,932.35
Half scale
Find fourth proportional to 1,017,481.20, 1,404,129.48 and 635,729.40
Double scale
Find fourth proportional to 508,741.60, 702,066.12 and 317,865.70
Similar ratio
Find fourth proportional to 763,110.90, 1,053,097.11 and 476,797.05
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.