Finding the Fourth Proportional to 599,291.10, 826,249.95 and 427,405.05
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Solution
The fourth proportional to 599,291.10, 826,249.95 and 427,405.05 is: 589,268.56
Step by Step Solution
- Step 1: Write the proportion equation
599,291.10 : 826,249.95 = 427,405.05 : x - Step 2: Convert to fraction form
599,291.10/826,249.95 = 427,405.05/x - Step 3: Cross multiply
599,291.10x = 826,249.95 × 427,405.05 - Step 4: Simplify right side
599,291.10x = 353,143,401,192.25 - Step 5: Solve for x
x = 353,143,401,192.25/599,291.10 - Step 6: Final answer
x = 589,268.56
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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.