Finding the Fourth Proportional to 622,494.17, 859,030.28 and 380,758.99
Calculator
Solution
The fourth proportional to 622,494.17, 859,030.28 and 380,758.99 is: 525,440.27
Step by Step Solution
- Step 1: Write the proportion equation
622,494.17 : 859,030.28 = 380,758.99 : x - Step 2: Convert to fraction form
622,494.17/859,030.28 = 380,758.99/x - Step 3: Cross multiply
622,494.17x = 859,030.28 × 380,758.99 - Step 4: Simplify right side
622,494.17x = 327,083,501,792.22 - Step 5: Solve for x
x = 327,083,501,792.22/622,494.17 - Step 6: Final answer
x = 525,440.27
Related Problems
Find fourth proportional to 311,247.09, 429,515.14 and 190,379.50
Half scale
Find fourth proportional to 1,244,988.34, 1,718,060.56 and 761,517.98
Double scale
Find fourth proportional to 622,495.17, 859,031.66 and 380,759.99
Similar ratio
Find fourth proportional to 933,741.26, 1,288,545.42 and 571,138.49
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.