Finding the Fourth Proportional to 1,338,968.28, 2,008,450.74 and 341,696.28
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Solution
The fourth proportional to 1,338,968.28, 2,008,450.74 and 341,696.28 is: 512,543.99
Step by Step Solution
- Step 1: Write the proportion equation
1,338,968.28 : 2,008,450.74 = 341,696.28 : x - Step 2: Convert to fraction form
1,338,968.28/2,008,450.74 = 341,696.28/x - Step 3: Cross multiply
1,338,968.28x = 2,008,450.74 × 341,696.28 - Step 4: Simplify right side
1,338,968.28x = 686,280,146,421.25 - Step 5: Solve for x
x = 686,280,146,421.25/1,338,968.28 - Step 6: Final answer
x = 512,543.99
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1.5x scale
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.