Finding the Fourth Proportional to 610,669.71, 915,151.23 and 520,241.31
Calculator
Solution
The fourth proportional to 610,669.71, 915,151.23 and 520,241.31 is: 779,634.99
Step by Step Solution
- Step 1: Write the proportion equation
610,669.71 : 915,151.23 = 520,241.31 : x - Step 2: Convert to fraction form
610,669.71/915,151.23 = 520,241.31/x - Step 3: Cross multiply
610,669.71x = 915,151.23 × 520,241.31 - Step 4: Simplify right side
610,669.71x = 476,099,474,743.31 - Step 5: Solve for x
x = 476,099,474,743.31/610,669.71 - Step 6: Final answer
x = 779,634.99
Related Problems
Find fourth proportional to 305,334.86, 457,575.62 and 260,120.66
Half scale
Find fourth proportional to 1,221,339.42, 1,830,302.46 and 1,040,482.62
Double scale
Find fourth proportional to 610,670.71, 915,152.73 and 520,242.31
Similar ratio
Find fourth proportional to 916,004.57, 1,372,726.85 and 780,361.97
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.