Finding the Fourth Proportional to 850,884.84, 1,174,221.28 and 463,700.37
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Solution
The fourth proportional to 850,884.84, 1,174,221.28 and 463,700.37 is: 639,906.62
Step by Step Solution
- Step 1: Write the proportion equation
850,884.84 : 1,174,221.28 = 463,700.37 : x - Step 2: Convert to fraction form
850,884.84/1,174,221.28 = 463,700.37/x - Step 3: Cross multiply
850,884.84x = 1,174,221.28 × 463,700.37 - Step 4: Simplify right side
850,884.84x = 544,486,841,997.87 - Step 5: Solve for x
x = 544,486,841,997.87/850,884.84 - Step 6: Final answer
x = 639,906.62
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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.