Finding the Fourth Proportional to 863,052.08, 1,190,987.08 and 481,070.66
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Solution
The fourth proportional to 863,052.08, 1,190,987.08 and 481,070.66 is: 663,863.69
Step by Step Solution
- Step 1: Write the proportion equation
863,052.08 : 1,190,987.08 = 481,070.66 : x - Step 2: Convert to fraction form
863,052.08/1,190,987.08 = 481,070.66/x - Step 3: Cross multiply
863,052.08x = 1,190,987.08 × 481,070.66 - Step 4: Simplify right side
863,052.08x = 572,948,933,469.46 - Step 5: Solve for x
x = 572,948,933,469.46/863,052.08 - Step 6: Final answer
x = 663,863.69
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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.