Finding the Fourth Proportional to 751,343.60, 1,126,646.72 and 371,825.84
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Solution
The fourth proportional to 751,343.60, 1,126,646.72 and 371,825.84 is: 557,556.31
Step by Step Solution
- Step 1: Write the proportion equation
751,343.60 : 1,126,646.72 = 371,825.84 : x - Step 2: Convert to fraction form
751,343.60/1,126,646.72 = 371,825.84/x - Step 3: Cross multiply
751,343.60x = 1,126,646.72 × 371,825.84 - Step 4: Simplify right side
751,343.60x = 418,916,363,047.25 - Step 5: Solve for x
x = 418,916,363,047.25/751,343.60 - Step 6: Final answer
x = 557,556.31
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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.