Finding the Fourth Proportional to 980,318.79, 1,352,845.33 and 550,598.99
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Solution
The fourth proportional to 980,318.79, 1,352,845.33 and 550,598.99 is: 759,829.63
Step by Step Solution
- Step 1: Write the proportion equation
980,318.79 : 1,352,845.33 = 550,598.99 : x - Step 2: Convert to fraction form
980,318.79/1,352,845.33 = 550,598.99/x - Step 3: Cross multiply
980,318.79x = 1,352,845.33 × 550,598.99 - Step 4: Simplify right side
980,318.79x = 744,875,264,183.49 - Step 5: Solve for x
x = 744,875,264,183.49/980,318.79 - Step 6: Final answer
x = 759,829.63
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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.