Finding the Fourth Proportional to 734,820.84, 1,102,476.69 and 285,556.38
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Solution
The fourth proportional to 734,820.84, 1,102,476.69 and 285,556.38 is: 428,429.95
Step by Step Solution
- Step 1: Write the proportion equation
734,820.84 : 1,102,476.69 = 285,556.38 : x - Step 2: Convert to fraction form
734,820.84/1,102,476.69 = 285,556.38/x - Step 3: Cross multiply
734,820.84x = 1,102,476.69 × 285,556.38 - Step 4: Simplify right side
734,820.84x = 314,819,252,630.78 - Step 5: Solve for x
x = 314,819,252,630.78/734,820.84 - Step 6: Final answer
x = 428,429.95
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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.