Finding the Fourth Proportional to 751,988.99, 1,037,740.40 and 407,821.49
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Solution
The fourth proportional to 751,988.99, 1,037,740.40 and 407,821.49 is: 562,791.26
Step by Step Solution
- Step 1: Write the proportion equation
751,988.99 : 1,037,740.40 = 407,821.49 : x - Step 2: Convert to fraction form
751,988.99/1,037,740.40 = 407,821.49/x - Step 3: Cross multiply
751,988.99x = 1,037,740.40 × 407,821.49 - Step 4: Simplify right side
751,988.99x = 423,212,830,972.49 - Step 5: Solve for x
x = 423,212,830,972.49/751,988.99 - Step 6: Final answer
x = 562,791.26
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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.