Finding the Fourth Proportional to 464,739.93, 640,146.24 and 328,539.65
Calculator
Solution
The fourth proportional to 464,739.93, 640,146.24 and 328,539.65 is: 452,540.02
Step by Step Solution
- Step 1: Write the proportion equation
464,739.93 : 640,146.24 = 328,539.65 : x - Step 2: Convert to fraction form
464,739.93/640,146.24 = 328,539.65/x - Step 3: Cross multiply
464,739.93x = 640,146.24 × 328,539.65 - Step 4: Simplify right side
464,739.93x = 210,313,418,437.69 - Step 5: Solve for x
x = 210,313,418,437.69/464,739.93 - Step 6: Final answer
x = 452,540.02
Related Problems
Find fourth proportional to 232,369.97, 320,073.12 and 164,269.82
Half scale
Find fourth proportional to 929,479.86, 1,280,292.48 and 657,079.29
Double scale
Find fourth proportional to 464,740.93, 640,147.62 and 328,540.65
Similar ratio
Find fourth proportional to 697,109.90, 960,219.36 and 492,809.47
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.