Finding the Fourth Proportional to 853,150.64, 1,279,794 and 292,190
Calculator
Solution
The fourth proportional to 853,150.64, 1,279,794 and 292,190 is: 438,308.30
Step by Step Solution
- Step 1: Write the proportion equation
853,150.64 : 1,279,794 = 292,190 : x - Step 2: Convert to fraction form
853,150.64/1,279,794 = 292,190/x - Step 3: Cross multiply
853,150.64x = 1,279,794 × 292,190 - Step 4: Simplify right side
853,150.64x = 373,943,008,860 - Step 5: Solve for x
x = 373,943,008,860/853,150.64 - Step 6: Final answer
x = 438,308.30
Related Problems
Find fourth proportional to 426,575.32, 639,897 and 146,095
Half scale
Find fourth proportional to 1,706,301.28, 2,559,588 and 584,380
Double scale
Find fourth proportional to 853,151.64, 1,279,795.50 and 292,191
Similar ratio
Find fourth proportional to 1,279,725.96, 1,919,691 and 438,285
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.