Finding the Fourth Proportional to 622,444.89, 932,170.55 and 355,395.99
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Solution
The fourth proportional to 622,444.89, 932,170.55 and 355,395.99 is: 532,239.37
Step by Step Solution
- Step 1: Write the proportion equation
622,444.89 : 932,170.55 = 355,395.99 : x - Step 2: Convert to fraction form
622,444.89/932,170.55 = 355,395.99/x - Step 3: Cross multiply
622,444.89x = 932,170.55 × 355,395.99 - Step 4: Simplify right side
622,444.89x = 331,289,679,183.86 - Step 5: Solve for x
x = 331,289,679,183.86/622,444.89 - Step 6: Final answer
x = 532,239.37
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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.