Finding the Fourth Proportional to 966,132.87, 1,331,070.21 and 747,590.15
Calculator
Solution
The fourth proportional to 966,132.87, 1,331,070.21 and 747,590.15 is: 1,029,977.35
Step by Step Solution
- Step 1: Write the proportion equation
966,132.87 : 1,331,070.21 = 747,590.15 : x - Step 2: Convert to fraction form
966,132.87/1,331,070.21 = 747,590.15/x - Step 3: Cross multiply
966,132.87x = 1,331,070.21 × 747,590.15 - Step 4: Simplify right side
966,132.87x = 995,094,971,299.08 - Step 5: Solve for x
x = 995,094,971,299.08/966,132.87 - Step 6: Final answer
x = 1,029,977.35
Related Problems
Find fourth proportional to 483,066.44, 665,535.11 and 373,795.07
Half scale
Find fourth proportional to 1,932,265.74, 2,662,140.42 and 1,495,180.29
Double scale
Find fourth proportional to 966,133.87, 1,331,071.59 and 747,591.15
Similar ratio
Find fourth proportional to 1,449,199.31, 1,996,605.32 and 1,121,385.22
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.