Finding the Fourth Proportional to 740,355.37, 1,021,170.77 and 511,004.68
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Solution
The fourth proportional to 740,355.37, 1,021,170.77 and 511,004.68 is: 704,827.79
Step by Step Solution
- Step 1: Write the proportion equation
740,355.37 : 1,021,170.77 = 511,004.68 : x - Step 2: Convert to fraction form
740,355.37/1,021,170.77 = 511,004.68/x - Step 3: Cross multiply
740,355.37x = 1,021,170.77 × 511,004.68 - Step 4: Simplify right side
740,355.37x = 521,823,042,549.20 - Step 5: Solve for x
x = 521,823,042,549.20/740,355.37 - Step 6: Final answer
x = 704,827.79
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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.