Finding the Fourth Proportional to 655,219.96, 904,053.93 and 368,635.48
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Solution
The fourth proportional to 655,219.96, 904,053.93 and 368,635.48 is: 508,632.79
Step by Step Solution
- Step 1: Write the proportion equation
655,219.96 : 904,053.93 = 368,635.48 : x - Step 2: Convert to fraction form
655,219.96/904,053.93 = 368,635.48/x - Step 3: Cross multiply
655,219.96x = 904,053.93 × 368,635.48 - Step 4: Simplify right side
655,219.96x = 333,266,354,431.44 - Step 5: Solve for x
x = 333,266,354,431.44/655,219.96 - Step 6: Final answer
x = 508,632.79
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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.