Finding the Fourth Proportional to 1,010,821.36, 1,515,725 and 336,665.68
Calculator
Solution
The fourth proportional to 1,010,821.36, 1,515,725 and 336,665.68 is: 504,829.64
Step by Step Solution
- Step 1: Write the proportion equation
1,010,821.36 : 1,515,725 = 336,665.68 : x - Step 2: Convert to fraction form
1,010,821.36/1,515,725 = 336,665.68/x - Step 3: Cross multiply
1,010,821.36x = 1,515,725 × 336,665.68 - Step 4: Simplify right side
1,010,821.36x = 510,292,587,818 - Step 5: Solve for x
x = 510,292,587,818/1,010,821.36 - Step 6: Final answer
x = 504,829.64
Related Problems
Find fourth proportional to 505,410.68, 757,862.50 and 168,332.84
Half scale
Find fourth proportional to 2,021,642.72, 3,031,450 and 673,331.36
Double scale
Find fourth proportional to 1,010,822.36, 1,515,726.50 and 336,666.68
Similar ratio
Find fourth proportional to 1,516,232.04, 2,273,587.50 and 504,998.52
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.