Finding the Fourth Proportional to 694,472.42, 1,046,913.84 and 648,178.94
Calculator
Solution
The fourth proportional to 694,472.42, 1,046,913.84 and 648,178.94 is: 977,126.64
Step by Step Solution
- Step 1: Write the proportion equation
694,472.42 : 1,046,913.84 = 648,178.94 : x - Step 2: Convert to fraction form
694,472.42/1,046,913.84 = 648,178.94/x - Step 3: Cross multiply
694,472.42x = 1,046,913.84 × 648,178.94 - Step 4: Simplify right side
694,472.42x = 678,587,503,082.53 - Step 5: Solve for x
x = 678,587,503,082.53/694,472.42 - Step 6: Final answer
x = 977,126.64
Related Problems
Find fourth proportional to 347,236.21, 523,456.92 and 324,089.47
Half scale
Find fourth proportional to 1,388,944.84, 2,093,827.68 and 1,296,357.88
Double scale
Find fourth proportional to 694,473.42, 1,046,915.35 and 648,179.94
Similar ratio
Find fourth proportional to 1,041,708.63, 1,570,370.76 and 972,268.41
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.