Finding the Fourth Proportional to 1,009,737.12, 1,393,414.80 and 557,028
Calculator
Solution
The fourth proportional to 1,009,737.12, 1,393,414.80 and 557,028 is: 768,686.27
Step by Step Solution
- Step 1: Write the proportion equation
1,009,737.12 : 1,393,414.80 = 557,028 : x - Step 2: Convert to fraction form
1,009,737.12/1,393,414.80 = 557,028/x - Step 3: Cross multiply
1,009,737.12x = 1,393,414.80 × 557,028 - Step 4: Simplify right side
1,009,737.12x = 776,171,059,214.40 - Step 5: Solve for x
x = 776,171,059,214.40/1,009,737.12 - Step 6: Final answer
x = 768,686.27
Related Problems
Find fourth proportional to 504,868.56, 696,707.40 and 278,514
Half scale
Find fourth proportional to 2,019,474.24, 2,786,829.60 and 1,114,056
Double scale
Find fourth proportional to 1,009,738.12, 1,393,416.18 and 557,029
Similar ratio
Find fourth proportional to 1,514,605.68, 2,090,122.20 and 835,542
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.