Finding the Fourth Proportional to 349,075.20, 523,612.80 and 313,645.80
Calculator
Solution
The fourth proportional to 349,075.20, 523,612.80 and 313,645.80 is: 470,468.70
Step by Step Solution
- Step 1: Write the proportion equation
349,075.20 : 523,612.80 = 313,645.80 : x - Step 2: Convert to fraction form
349,075.20/523,612.80 = 313,645.80/x - Step 3: Cross multiply
349,075.20x = 523,612.80 × 313,645.80 - Step 4: Simplify right side
349,075.20x = 164,228,955,546.24 - Step 5: Solve for x
x = 164,228,955,546.24/349,075.20 - Step 6: Final answer
x = 470,468.70
Related Problems
Find fourth proportional to 174,537.60, 261,806.40 and 156,822.90
Half scale
Find fourth proportional to 698,150.40, 1,047,225.60 and 627,291.60
Double scale
Find fourth proportional to 349,076.20, 523,614.30 and 313,646.80
Similar ratio
Find fourth proportional to 523,612.80, 785,419.20 and 470,468.70
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.