Finding the Fourth Proportional to 510,681.36, 704,217.60 and 338,539.44
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Solution
The fourth proportional to 510,681.36, 704,217.60 and 338,539.44 is: 466,837.94
Step by Step Solution
- Step 1: Write the proportion equation
510,681.36 : 704,217.60 = 338,539.44 : x - Step 2: Convert to fraction form
510,681.36/704,217.60 = 338,539.44/x - Step 3: Cross multiply
510,681.36x = 704,217.60 × 338,539.44 - Step 4: Simplify right side
510,681.36x = 238,405,431,942.14 - Step 5: Solve for x
x = 238,405,431,942.14/510,681.36 - Step 6: Final answer
x = 466,837.94
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1.5x scale
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.