Finding the Fourth Proportional to 984,900.75, 1,359,795.50 and 617,880.99
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Solution
The fourth proportional to 984,900.75, 1,359,795.50 and 617,880.99 is: 853,072.55
Step by Step Solution
- Step 1: Write the proportion equation
984,900.75 : 1,359,795.50 = 617,880.99 : x - Step 2: Convert to fraction form
984,900.75/1,359,795.50 = 617,880.99/x - Step 3: Cross multiply
984,900.75x = 1,359,795.50 × 617,880.99 - Step 4: Simplify right side
984,900.75x = 840,191,796,072.83 - Step 5: Solve for x
x = 840,191,796,072.83/984,900.75 - Step 6: Final answer
x = 853,072.55
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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.