Finding the Fourth Proportional to 863,027.85, 1,190,994.09 and 481,013.63
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Solution
The fourth proportional to 863,027.85, 1,190,994.09 and 481,013.63 is: 663,807.54
Step by Step Solution
- Step 1: Write the proportion equation
863,027.85 : 1,190,994.09 = 481,013.63 : x - Step 2: Convert to fraction form
863,027.85/1,190,994.09 = 481,013.63/x - Step 3: Cross multiply
863,027.85x = 1,190,994.09 × 481,013.63 - Step 4: Simplify right side
863,027.85x = 572,884,390,539.45 - Step 5: Solve for x
x = 572,884,390,539.45/863,027.85 - Step 6: Final answer
x = 663,807.54
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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.