Finding the Fourth Proportional to 655,440.48, 904,497.84 and 368,959.68
Calculator
Solution
The fourth proportional to 655,440.48, 904,497.84 and 368,959.68 is: 509,158.72
Step by Step Solution
- Step 1: Write the proportion equation
655,440.48 : 904,497.84 = 368,959.68 : x - Step 2: Convert to fraction form
655,440.48/904,497.84 = 368,959.68/x - Step 3: Cross multiply
655,440.48x = 904,497.84 × 368,959.68 - Step 4: Simplify right side
655,440.48x = 333,723,233,607.09 - Step 5: Solve for x
x = 333,723,233,607.09/655,440.48 - Step 6: Final answer
x = 509,158.72
Related Problems
Find fourth proportional to 327,720.24, 452,248.92 and 184,479.84
Half scale
Find fourth proportional to 1,310,880.96, 1,808,995.68 and 737,919.36
Double scale
Find fourth proportional to 655,441.48, 904,499.22 and 368,960.68
Similar ratio
Find fourth proportional to 983,160.72, 1,356,746.76 and 553,439.52
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.