Finding the Fourth Proportional to 618,625.36, 853,762.92 and 346,739.44
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Solution
The fourth proportional to 618,625.36, 853,762.92 and 346,739.44 is: 478,534.01
Step by Step Solution
- Step 1: Write the proportion equation
618,625.36 : 853,762.92 = 346,739.44 : x - Step 2: Convert to fraction form
618,625.36/853,762.92 = 346,739.44/x - Step 3: Cross multiply
618,625.36x = 853,762.92 × 346,739.44 - Step 4: Simplify right side
618,625.36x = 296,033,276,773.57 - Step 5: Solve for x
x = 296,033,276,773.57/618,625.36 - Step 6: Final answer
x = 478,534.01
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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.