Finding the Fourth Proportional to 440,897.20, 660,820.76 and 307,052.80
Calculator
Solution
The fourth proportional to 440,897.20, 660,820.76 and 307,052.80 is: 460,213.55
Step by Step Solution
- Step 1: Write the proportion equation
440,897.20 : 660,820.76 = 307,052.80 : x - Step 2: Convert to fraction form
440,897.20/660,820.76 = 307,052.80/x - Step 3: Cross multiply
440,897.20x = 660,820.76 × 307,052.80 - Step 4: Simplify right side
440,897.20x = 202,906,864,656.13 - Step 5: Solve for x
x = 202,906,864,656.13/440,897.20 - Step 6: Final answer
x = 460,213.55
Related Problems
Find fourth proportional to 220,448.60, 330,410.38 and 153,526.40
Half scale
Find fourth proportional to 881,794.40, 1,321,641.52 and 614,105.60
Double scale
Find fourth proportional to 440,898.20, 660,822.26 and 307,053.80
Similar ratio
Find fourth proportional to 661,345.80, 991,231.14 and 460,579.20
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.