Finding the Fourth Proportional to 571,996.27, 789,344.35 and 317,341.99
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Solution
The fourth proportional to 571,996.27, 789,344.35 and 317,341.99 is: 437,926.12
Step by Step Solution
- Step 1: Write the proportion equation
571,996.27 : 789,344.35 = 317,341.99 : x - Step 2: Convert to fraction form
571,996.27/789,344.35 = 317,341.99/x - Step 3: Cross multiply
571,996.27x = 789,344.35 × 317,341.99 - Step 4: Simplify right side
571,996.27x = 250,492,106,824.26 - Step 5: Solve for x
x = 250,492,106,824.26/571,996.27 - Step 6: Final answer
x = 437,926.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.