Finding the Fourth Proportional to 861,541.43, 1,189,294.74 and 613,343.35
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Solution
The fourth proportional to 861,541.43, 1,189,294.74 and 613,343.35 is: 846,675.49
Step by Step Solution
- Step 1: Write the proportion equation
861,541.43 : 1,189,294.74 = 613,343.35 : x - Step 2: Convert to fraction form
861,541.43/1,189,294.74 = 613,343.35/x - Step 3: Cross multiply
861,541.43x = 1,189,294.74 × 613,343.35 - Step 4: Simplify right side
861,541.43x = 729,446,016,995.74 - Step 5: Solve for x
x = 729,446,016,995.74/861,541.43 - Step 6: Final answer
x = 846,675.49
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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.