Finding the Fourth Proportional to 773,276.80, 1,159,915.20 and 274,691.20
Calculator
Solution
The fourth proportional to 773,276.80, 1,159,915.20 and 274,691.20 is: 412,036.80
Step by Step Solution
- Step 1: Write the proportion equation
773,276.80 : 1,159,915.20 = 274,691.20 : x - Step 2: Convert to fraction form
773,276.80/1,159,915.20 = 274,691.20/x - Step 3: Cross multiply
773,276.80x = 1,159,915.20 × 274,691.20 - Step 4: Simplify right side
773,276.80x = 318,618,498,186.24 - Step 5: Solve for x
x = 318,618,498,186.24/773,276.80 - Step 6: Final answer
x = 412,036.80
Related Problems
Find fourth proportional to 386,638.40, 579,957.60 and 137,345.60
Half scale
Find fourth proportional to 1,546,553.60, 2,319,830.40 and 549,382.40
Double scale
Find fourth proportional to 773,277.80, 1,159,916.70 and 274,692.20
Similar ratio
Find fourth proportional to 1,159,915.20, 1,739,872.80 and 412,036.80
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.