Finding the Fourth Proportional to 897,467.80, 1,346,201.70 and 328,847.80
Calculator
Solution
The fourth proportional to 897,467.80, 1,346,201.70 and 328,847.80 is: 493,271.70
Step by Step Solution
- Step 1: Write the proportion equation
897,467.80 : 1,346,201.70 = 328,847.80 : x - Step 2: Convert to fraction form
897,467.80/1,346,201.70 = 328,847.80/x - Step 3: Cross multiply
897,467.80x = 1,346,201.70 × 328,847.80 - Step 4: Simplify right side
897,467.80x = 442,695,467,401.26 - Step 5: Solve for x
x = 442,695,467,401.26/897,467.80 - Step 6: Final answer
x = 493,271.70
Related Problems
Find fourth proportional to 448,733.90, 673,100.85 and 164,423.90
Half scale
Find fourth proportional to 1,794,935.60, 2,692,403.40 and 657,695.60
Double scale
Find fourth proportional to 897,468.80, 1,346,203.20 and 328,848.80
Similar ratio
Find fourth proportional to 1,346,201.70, 2,019,302.55 and 493,271.70
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.