Finding the Fourth Proportional to 706,091.11, 1,058,541.42 and 306,430.84
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Solution
The fourth proportional to 706,091.11, 1,058,541.42 and 306,430.84 is: 459,387.93
Step by Step Solution
- Step 1: Write the proportion equation
706,091.11 : 1,058,541.42 = 306,430.84 : x - Step 2: Convert to fraction form
706,091.11/1,058,541.42 = 306,430.84/x - Step 3: Cross multiply
706,091.11x = 1,058,541.42 × 306,430.84 - Step 4: Simplify right side
706,091.11x = 324,369,736,505.39 - Step 5: Solve for x
x = 324,369,736,505.39/706,091.11 - Step 6: Final answer
x = 459,387.93
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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.