Finding the Fourth Proportional to 480,729.48, 720,405.30 and 269,924.54
Calculator
Solution
The fourth proportional to 480,729.48, 720,405.30 and 269,924.54 is: 404,499.99
Step by Step Solution
- Step 1: Write the proportion equation
480,729.48 : 720,405.30 = 269,924.54 : x - Step 2: Convert to fraction form
480,729.48/720,405.30 = 269,924.54/x - Step 3: Cross multiply
480,729.48x = 720,405.30 × 269,924.54 - Step 4: Simplify right side
480,729.48x = 194,455,069,216.06 - Step 5: Solve for x
x = 194,455,069,216.06/480,729.48 - Step 6: Final answer
x = 404,499.99
Related Problems
Find fourth proportional to 240,364.74, 360,202.65 and 134,962.27
Half scale
Find fourth proportional to 961,458.96, 1,440,810.60 and 539,849.08
Double scale
Find fourth proportional to 480,730.48, 720,406.80 and 269,925.54
Similar ratio
Find fourth proportional to 721,094.22, 1,080,607.95 and 404,886.81
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.