Finding the Fourth Proportional to 626,425.20, 939,637.80 and 558,190.80
Calculator
Solution
The fourth proportional to 626,425.20, 939,637.80 and 558,190.80 is: 837,286.20
Step by Step Solution
- Step 1: Write the proportion equation
626,425.20 : 939,637.80 = 558,190.80 : x - Step 2: Convert to fraction form
626,425.20/939,637.80 = 558,190.80/x - Step 3: Cross multiply
626,425.20x = 939,637.80 × 558,190.80 - Step 4: Simplify right side
626,425.20x = 524,497,175,292.24 - Step 5: Solve for x
x = 524,497,175,292.24/626,425.20 - Step 6: Final answer
x = 837,286.20
Related Problems
Find fourth proportional to 313,212.60, 469,818.90 and 279,095.40
Half scale
Find fourth proportional to 1,252,850.40, 1,879,275.60 and 1,116,381.60
Double scale
Find fourth proportional to 626,426.20, 939,639.30 and 558,191.80
Similar ratio
Find fourth proportional to 939,637.80, 1,409,456.70 and 837,286.20
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.