Finding the Fourth Proportional to 636,100.97, 877,808.06 and 349,620.98
Calculator
Solution
The fourth proportional to 636,100.97, 877,808.06 and 349,620.98 is: 482,470.75
Step by Step Solution
- Step 1: Write the proportion equation
636,100.97 : 877,808.06 = 349,620.98 : x - Step 2: Convert to fraction form
636,100.97/877,808.06 = 349,620.98/x - Step 3: Cross multiply
636,100.97x = 877,808.06 × 349,620.98 - Step 4: Simplify right side
636,100.97x = 306,900,114,189.10 - Step 5: Solve for x
x = 306,900,114,189.10/636,100.97 - Step 6: Final answer
x = 482,470.75
Related Problems
Find fourth proportional to 318,050.49, 438,904.03 and 174,810.49
Half scale
Find fourth proportional to 1,272,201.94, 1,755,616.12 and 699,241.96
Double scale
Find fourth proportional to 636,101.97, 877,809.44 and 349,621.98
Similar ratio
Find fourth proportional to 954,151.46, 1,316,712.09 and 524,431.47
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.