Finding the Fourth Proportional to 1,040,339, 1,560,508.50 and 292,385
Calculator
Solution
The fourth proportional to 1,040,339, 1,560,508.50 and 292,385 is: 438,577.50
Step by Step Solution
- Step 1: Write the proportion equation
1,040,339 : 1,560,508.50 = 292,385 : x - Step 2: Convert to fraction form
1,040,339/1,560,508.50 = 292,385/x - Step 3: Cross multiply
1,040,339x = 1,560,508.50 × 292,385 - Step 4: Simplify right side
1,040,339x = 456,269,277,772.50 - Step 5: Solve for x
x = 456,269,277,772.50/1,040,339 - Step 6: Final answer
x = 438,577.50
Related Problems
Find fourth proportional to 520,169.50, 780,254.25 and 146,192.50
Half scale
Find fourth proportional to 2,080,678, 3,121,017 and 584,770
Double scale
Find fourth proportional to 1,040,340, 1,560,510 and 292,386
Similar ratio
Find fourth proportional to 1,560,508.50, 2,340,762.75 and 438,577.50
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.