Finding the Fourth Proportional to 909,558.42, 1,365,283.86 and 669,942.84
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Solution
The fourth proportional to 909,558.42, 1,365,283.86 and 669,942.84 is: 1,005,611.21
Step by Step Solution
- Step 1: Write the proportion equation
909,558.42 : 1,365,283.86 = 669,942.84 : x - Step 2: Convert to fraction form
909,558.42/1,365,283.86 = 669,942.84/x - Step 3: Cross multiply
909,558.42x = 1,365,283.86 × 669,942.84 - Step 4: Simplify right side
909,558.42x = 914,662,146,574.56 - Step 5: Solve for x
x = 914,662,146,574.56/909,558.42 - Step 6: Final answer
x = 1,005,611.21
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.