Finding the Fourth Proportional to 1,385,272.68, 2,078,116.80 and 486,556
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Solution
The fourth proportional to 1,385,272.68, 2,078,116.80 and 486,556 is: 729,906.98
Step by Step Solution
- Step 1: Write the proportion equation
1,385,272.68 : 2,078,116.80 = 486,556 : x - Step 2: Convert to fraction form
1,385,272.68/2,078,116.80 = 486,556/x - Step 3: Cross multiply
1,385,272.68x = 2,078,116.80 × 486,556 - Step 4: Simplify right side
1,385,272.68x = 1,011,120,197,740.80 - Step 5: Solve for x
x = 1,011,120,197,740.80/1,385,272.68 - Step 6: Final answer
x = 729,906.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.