Finding the Fourth Proportional to 997,307.60, 1,375,083.84 and 691,648.88
Calculator
Solution
The fourth proportional to 997,307.60, 1,375,083.84 and 691,648.88 is: 953,642.79
Step by Step Solution
- Step 1: Write the proportion equation
997,307.60 : 1,375,083.84 = 691,648.88 : x - Step 2: Convert to fraction form
997,307.60/1,375,083.84 = 691,648.88/x - Step 3: Cross multiply
997,307.60x = 1,375,083.84 × 691,648.88 - Step 4: Simplify right side
997,307.60x = 951,075,197,842.10 - Step 5: Solve for x
x = 951,075,197,842.10/997,307.60 - Step 6: Final answer
x = 953,642.79
Related Problems
Find fourth proportional to 498,653.80, 687,541.92 and 345,824.44
Half scale
Find fourth proportional to 1,994,615.20, 2,750,167.68 and 1,383,297.76
Double scale
Find fourth proportional to 997,308.60, 1,375,085.22 and 691,649.88
Similar ratio
Find fourth proportional to 1,495,961.40, 2,062,625.76 and 1,037,473.32
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.