Finding the Fourth Proportional to 572,395.20, 789,495.04 and 354,533.44
Calculator
Solution
The fourth proportional to 572,395.20, 789,495.04 and 354,533.44 is: 489,001.99
Step by Step Solution
- Step 1: Write the proportion equation
572,395.20 : 789,495.04 = 354,533.44 : x - Step 2: Convert to fraction form
572,395.20/789,495.04 = 354,533.44/x - Step 3: Cross multiply
572,395.20x = 789,495.04 × 354,533.44 - Step 4: Simplify right side
572,395.20x = 279,902,392,394.14 - Step 5: Solve for x
x = 279,902,392,394.14/572,395.20 - Step 6: Final answer
x = 489,001.99
Related Problems
Find fourth proportional to 286,197.60, 394,747.52 and 177,266.72
Half scale
Find fourth proportional to 1,144,790.40, 1,578,990.08 and 709,066.88
Double scale
Find fourth proportional to 572,396.20, 789,496.42 and 354,534.44
Similar ratio
Find fourth proportional to 858,592.80, 1,184,242.56 and 531,800.16
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.