Finding the Fourth Proportional to 510,501.24, 702,972.36 and 499,172.99
Calculator
Solution
The fourth proportional to 510,501.24, 702,972.36 and 499,172.99 is: 687,373.08
Step by Step Solution
- Step 1: Write the proportion equation
510,501.24 : 702,972.36 = 499,172.99 : x - Step 2: Convert to fraction form
510,501.24/702,972.36 = 499,172.99/x - Step 3: Cross multiply
510,501.24x = 702,972.36 × 499,172.99 - Step 4: Simplify right side
510,501.24x = 350,904,811,313.70 - Step 5: Solve for x
x = 350,904,811,313.70/510,501.24 - Step 6: Final answer
x = 687,373.08
Related Problems
Find fourth proportional to 255,250.62, 351,486.18 and 249,586.49
Half scale
Find fourth proportional to 1,021,002.48, 1,405,944.72 and 998,345.97
Double scale
Find fourth proportional to 510,502.24, 702,973.74 and 499,173.99
Similar ratio
Find fourth proportional to 765,751.86, 1,054,458.54 and 748,759.48
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.