Finding the Fourth Proportional to 768,162.84, 1,060,564.05 and 687,451.60
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Solution
The fourth proportional to 768,162.84, 1,060,564.05 and 687,451.60 is: 949,130.07
Step by Step Solution
- Step 1: Write the proportion equation
768,162.84 : 1,060,564.05 = 687,451.60 : x - Step 2: Convert to fraction form
768,162.84/1,060,564.05 = 687,451.60/x - Step 3: Cross multiply
768,162.84x = 1,060,564.05 × 687,451.60 - Step 4: Simplify right side
768,162.84x = 729,086,453,074.98 - Step 5: Solve for x
x = 729,086,453,074.98/768,162.84 - Step 6: Final answer
x = 949,130.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.