Finding the Fourth Proportional to 407,052.88, 610,454.94 and 281,500
Calculator
Solution
The fourth proportional to 407,052.88, 610,454.94 and 281,500 is: 422,163.98
Step by Step Solution
- Step 1: Write the proportion equation
407,052.88 : 610,454.94 = 281,500 : x - Step 2: Convert to fraction form
407,052.88/610,454.94 = 281,500/x - Step 3: Cross multiply
407,052.88x = 610,454.94 × 281,500 - Step 4: Simplify right side
407,052.88x = 171,843,065,610.00 - Step 5: Solve for x
x = 171,843,065,610.00/407,052.88 - Step 6: Final answer
x = 422,163.98
Related Problems
Find fourth proportional to 203,526.44, 305,227.47 and 140,750
Half scale
Find fourth proportional to 814,105.76, 1,220,909.88 and 563,000
Double scale
Find fourth proportional to 407,053.88, 610,456.44 and 281,501
Similar ratio
Find fourth proportional to 610,579.32, 915,682.41 and 422,250
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.