Finding the Fourth Proportional to 622,446.36, 858,967.66 and 350,541.12
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Solution
The fourth proportional to 622,446.36, 858,967.66 and 350,541.12 is: 483,742.06
Step by Step Solution
- Step 1: Write the proportion equation
622,446.36 : 858,967.66 = 350,541.12 : x - Step 2: Convert to fraction form
622,446.36/858,967.66 = 350,541.12/x - Step 3: Cross multiply
622,446.36x = 858,967.66 × 350,541.12 - Step 4: Simplify right side
622,446.36x = 301,103,485,580.18 - Step 5: Solve for x
x = 301,103,485,580.18/622,446.36 - Step 6: Final answer
x = 483,742.06
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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.