Finding the Fourth Proportional to 901,388.84, 1,243,914.50 and 538,795.12
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Solution
The fourth proportional to 901,388.84, 1,243,914.50 and 538,795.12 is: 743,536.01
Step by Step Solution
- Step 1: Write the proportion equation
901,388.84 : 1,243,914.50 = 538,795.12 : x - Step 2: Convert to fraction form
901,388.84/1,243,914.50 = 538,795.12/x - Step 3: Cross multiply
901,388.84x = 1,243,914.50 × 538,795.12 - Step 4: Simplify right side
901,388.84x = 670,215,062,297.24 - Step 5: Solve for x
x = 670,215,062,297.24/901,388.84 - Step 6: Final answer
x = 743,536.01
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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.