Finding the Fourth Proportional to 785,256.48, 1,178,234.64 and 411,192
Calculator
Solution
The fourth proportional to 785,256.48, 1,178,234.64 and 411,192 is: 616,971.23
Step by Step Solution
- Step 1: Write the proportion equation
785,256.48 : 1,178,234.64 = 411,192 : x - Step 2: Convert to fraction form
785,256.48/1,178,234.64 = 411,192/x - Step 3: Cross multiply
785,256.48x = 1,178,234.64 × 411,192 - Step 4: Simplify right side
785,256.48x = 484,480,658,090.88 - Step 5: Solve for x
x = 484,480,658,090.88/785,256.48 - Step 6: Final answer
x = 616,971.23
Related Problems
Find fourth proportional to 392,628.24, 589,117.32 and 205,596
Half scale
Find fourth proportional to 1,570,512.96, 2,356,469.28 and 822,384
Double scale
Find fourth proportional to 785,257.48, 1,178,236.14 and 411,193
Similar ratio
Find fourth proportional to 1,177,884.72, 1,767,351.96 and 616,788
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.