Finding the Fourth Proportional to 878,955.12, 1,212,951.42 and 496,995.48
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Solution
The fourth proportional to 878,955.12, 1,212,951.42 and 496,995.48 is: 685,850.00
Step by Step Solution
- Step 1: Write the proportion equation
878,955.12 : 1,212,951.42 = 496,995.48 : x - Step 2: Convert to fraction form
878,955.12/1,212,951.42 = 496,995.48/x - Step 3: Cross multiply
878,955.12x = 1,212,951.42 × 496,995.48 - Step 4: Simplify right side
878,955.12x = 602,831,373,199.58 - Step 5: Solve for x
x = 602,831,373,199.58/878,955.12 - Step 6: Final answer
x = 685,850.00
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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.