Finding the Fourth Proportional to 593,437.95, 818,943.21 and 321,512.63
Calculator
Solution
The fourth proportional to 593,437.95, 818,943.21 and 321,512.63 is: 443,686.79
Step by Step Solution
- Step 1: Write the proportion equation
593,437.95 : 818,943.21 = 321,512.63 : x - Step 2: Convert to fraction form
593,437.95/818,943.21 = 321,512.63/x - Step 3: Cross multiply
593,437.95x = 818,943.21 × 321,512.63 - Step 4: Simplify right side
593,437.95x = 263,300,581,173.03 - Step 5: Solve for x
x = 263,300,581,173.03/593,437.95 - Step 6: Final answer
x = 443,686.79
Related Problems
Find fourth proportional to 296,718.98, 409,471.61 and 160,756.31
Half scale
Find fourth proportional to 1,186,875.90, 1,637,886.42 and 643,025.25
Double scale
Find fourth proportional to 593,438.95, 818,944.59 and 321,513.63
Similar ratio
Find fourth proportional to 890,156.93, 1,228,414.82 and 482,268.94
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.