Finding the Fourth Proportional to 734,740.84, 1,101,059.70 and 418,544.44
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Solution
The fourth proportional to 734,740.84, 1,101,059.70 and 418,544.44 is: 627,217.64
Step by Step Solution
- Step 1: Write the proportion equation
734,740.84 : 1,101,059.70 = 418,544.44 : x - Step 2: Convert to fraction form
734,740.84/1,101,059.70 = 418,544.44/x - Step 3: Cross multiply
734,740.84x = 1,101,059.70 × 418,544.44 - Step 4: Simplify right side
734,740.84x = 460,842,415,543.07 - Step 5: Solve for x
x = 460,842,415,543.07/734,740.84 - Step 6: Final answer
x = 627,217.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.