Finding the Fourth Proportional to 804,768.84, 1,207,720.44 and 378,324
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Solution
The fourth proportional to 804,768.84, 1,207,720.44 and 378,324 is: 567,752.63
Step by Step Solution
- Step 1: Write the proportion equation
804,768.84 : 1,207,720.44 = 378,324 : x - Step 2: Convert to fraction form
804,768.84/1,207,720.44 = 378,324/x - Step 3: Cross multiply
804,768.84x = 1,207,720.44 × 378,324 - Step 4: Simplify right side
804,768.84x = 456,909,627,742.56 - Step 5: Solve for x
x = 456,909,627,742.56/804,768.84 - Step 6: Final answer
x = 567,752.63
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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.