Finding the Fourth Proportional to 889,740.80, 1,334,611.20 and 846,195.20
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Solution
The fourth proportional to 889,740.80, 1,334,611.20 and 846,195.20 is: 1,269,292.80
Step by Step Solution
- Step 1: Write the proportion equation
889,740.80 : 1,334,611.20 = 846,195.20 : x - Step 2: Convert to fraction form
889,740.80/1,334,611.20 = 846,195.20/x - Step 3: Cross multiply
889,740.80x = 1,334,611.20 × 846,195.20 - Step 4: Simplify right side
889,740.80x = 1,129,341,591,306.24 - Step 5: Solve for x
x = 1,129,341,591,306.24/889,740.80 - Step 6: Final answer
x = 1,269,292.80
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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.