Finding the Fourth Proportional to 432,201.84, 647,972.28 and 357,085.68
Calculator
Solution
The fourth proportional to 432,201.84, 647,972.28 and 357,085.68 is: 535,355.48
Step by Step Solution
- Step 1: Write the proportion equation
432,201.84 : 647,972.28 = 357,085.68 : x - Step 2: Convert to fraction form
432,201.84/647,972.28 = 357,085.68/x - Step 3: Cross multiply
432,201.84x = 647,972.28 × 357,085.68 - Step 4: Simplify right side
432,201.84x = 231,381,622,224.95 - Step 5: Solve for x
x = 231,381,622,224.95/432,201.84 - Step 6: Final answer
x = 535,355.48
Related Problems
Find fourth proportional to 216,100.92, 323,986.14 and 178,542.84
Half scale
Find fourth proportional to 864,403.68, 1,295,944.56 and 714,171.36
Double scale
Find fourth proportional to 432,202.84, 647,973.78 and 357,086.68
Similar ratio
Find fourth proportional to 648,302.76, 971,958.42 and 535,628.52
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.