Finding the Fourth Proportional to 995,191.94, 1,491,903.99 and 387,839.57
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Solution
The fourth proportional to 995,191.94, 1,491,903.99 and 387,839.57 is: 581,414.88
Step by Step Solution
- Step 1: Write the proportion equation
995,191.94 : 1,491,903.99 = 387,839.57 : x - Step 2: Convert to fraction form
995,191.94/1,491,903.99 = 387,839.57/x - Step 3: Cross multiply
995,191.94x = 1,491,903.99 × 387,839.57 - Step 4: Simplify right side
995,191.94x = 578,619,401,962.88 - Step 5: Solve for x
x = 578,619,401,962.88/995,191.94 - Step 6: Final answer
x = 581,414.88
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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.