Finding the Fourth Proportional to 605,770.20, 908,655.30 and 393,193.80
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Solution
The fourth proportional to 605,770.20, 908,655.30 and 393,193.80 is: 589,790.70
Step by Step Solution
- Step 1: Write the proportion equation
605,770.20 : 908,655.30 = 393,193.80 : x - Step 2: Convert to fraction form
605,770.20/908,655.30 = 393,193.80/x - Step 3: Cross multiply
605,770.20x = 908,655.30 × 393,193.80 - Step 4: Simplify right side
605,770.20x = 357,277,630,297.14 - Step 5: Solve for x
x = 357,277,630,297.14/605,770.20 - Step 6: Final answer
x = 589,790.70
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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.