Finding the Fourth Proportional to 842,121.04, 1,162,125.84 and 479,544.96
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Solution
The fourth proportional to 842,121.04, 1,162,125.84 and 479,544.96 is: 661,771.36
Step by Step Solution
- Step 1: Write the proportion equation
842,121.04 : 1,162,125.84 = 479,544.96 : x - Step 2: Convert to fraction form
842,121.04/1,162,125.84 = 479,544.96/x - Step 3: Cross multiply
842,121.04x = 1,162,125.84 × 479,544.96 - Step 4: Simplify right side
842,121.04x = 557,291,589,457.77 - Step 5: Solve for x
x = 557,291,589,457.77/842,121.04 - Step 6: Final answer
x = 661,771.36
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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.