Finding the Fourth Proportional to 564,031.47, 778,361.36 and 349,128.75
Calculator
Solution
The fourth proportional to 564,031.47, 778,361.36 and 349,128.75 is: 481,796.39
Step by Step Solution
- Step 1: Write the proportion equation
564,031.47 : 778,361.36 = 349,128.75 : x - Step 2: Convert to fraction form
564,031.47/778,361.36 = 349,128.75/x - Step 3: Cross multiply
564,031.47x = 778,361.36 × 349,128.75 - Step 4: Simplify right side
564,031.47x = 271,748,326,919.46 - Step 5: Solve for x
x = 271,748,326,919.46/564,031.47 - Step 6: Final answer
x = 481,796.39
Related Problems
Find fourth proportional to 282,015.74, 389,180.68 and 174,564.38
Half scale
Find fourth proportional to 1,128,062.94, 1,556,722.71 and 698,257.50
Double scale
Find fourth proportional to 564,032.47, 778,362.73 and 349,129.75
Similar ratio
Find fourth proportional to 846,047.21, 1,167,542.03 and 523,693.13
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.