Finding the Fourth Proportional to 904,598.70, 1,363,400.16 and 779,745.84
Calculator
Solution
The fourth proportional to 904,598.70, 1,363,400.16 and 779,745.84 is: 1,175,223.45
Step by Step Solution
- Step 1: Write the proportion equation
904,598.70 : 1,363,400.16 = 779,745.84 : x - Step 2: Convert to fraction form
904,598.70/1,363,400.16 = 779,745.84/x - Step 3: Cross multiply
904,598.70x = 1,363,400.16 × 779,745.84 - Step 4: Simplify right side
904,598.70x = 1,063,105,603,015.33 - Step 5: Solve for x
x = 1,063,105,603,015.33/904,598.70 - Step 6: Final answer
x = 1,175,223.45
Related Problems
Find fourth proportional to 452,299.35, 681,700.08 and 389,872.92
Half scale
Find fourth proportional to 1,809,197.40, 2,726,800.32 and 1,559,491.68
Double scale
Find fourth proportional to 904,599.70, 1,363,401.67 and 779,746.84
Similar ratio
Find fourth proportional to 1,356,898.05, 2,045,100.24 and 1,169,618.76
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.